FPCN11 CWTO 061445 FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. EDT THURSDAY 6 AUGUST 2026 FOR TODAY AND FRIDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT. CITY OF TORONTO. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON THEN BECOMING NORTHWEST 20 GUSTING TO 40. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 21. FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. WINDSOR - LEAMINGTON - ESSEX COUNTY. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 36. UV INDEX 6 OR HIGH. CHATHAM-KENT - RONDEAU PARK. TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. SARNIA - PETROLIA - WESTERN LAMBTON COUNTY. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 37. UV INDEX 6 OR HIGH. TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 36. UV INDEX 7 OR HIGH. WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 36. UV INDEX 5 OR MODERATE. RODNEY - SHEDDEN - WESTERN ELGIN COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H LATE IN THE AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H LATE IN THE AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H LATE IN THE MORNING. HIGH 26. HUMIDEX 34. UV INDEX 5 OR MODERATE. LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 35. UV INDEX 7 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H LATE IN THE MORNING. HIGH 26. HUMIDEX 34. UV INDEX 5 OR MODERATE. SIMCOE - DELHI - NORFOLK. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 18. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 26. HUMIDEX 34. UV INDEX 6 OR HIGH. DUNNVILLE - CALEDONIA - HALDIMAND. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 21. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 34. UV INDEX 6 OR HIGH. WOODSTOCK - TILLSONBURG - OXFORD COUNTY. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 34. UV INDEX 6 OR HIGH. BRANTFORD - COUNTY OF BRANT. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 34. UV INDEX 6 OR HIGH. NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 22. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 26. HUMIDEX 34. UV INDEX 6 OR HIGH. ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION. TODAY..SUNNY NEAR NOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 30. HUMIDEX 39. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 20. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. CITY OF HAMILTON. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 20. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. BURLINGTON - OAKVILLE. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 26. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 20. FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 23. HUMIDEX 31. UV INDEX 6 OR HIGH. HALTON HILLS - MILTON. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTH 20 KM/H LATE THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. MISSISSAUGA - BRAMPTON. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. CALEDON. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. VAUGHAN - RICHMOND HILL - MARKHAM. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTH 30 KM/H LATE THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTH 30 KM/H BECOMING LIGHT THIS EVENING. LOW 19. FRIDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 34. UV INDEX 6 OR HIGH. NEWMARKET - GEORGINA - NORTHERN YORK REGION. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 34. UV INDEX 6 OR HIGH. PICKERING - OSHAWA - SOUTHERN DURHAM REGION. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW 19. FRIDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 34. UV INDEX 6 OR HIGH. UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 34. UV INDEX 6 OR HIGH. GODERICH - BLUEWATER - SOUTHERN HURON COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 36. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. WINGHAM - BLYTH - NORTHERN HURON COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 36. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 5 OR MODERATE. STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 5 OR MODERATE. LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 5 OR MODERATE. KITCHENER - CAMBRIDGE - REGION OF WATERLOO. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H THEN NORTH 30 LATE THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTH 30 KM/H BECOMING LIGHT THIS EVENING. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 33. UV INDEX 5 OR MODERATE. GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 33. UV INDEX 5 OR MODERATE. MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY. TODAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 33. UV INDEX 5 OR MODERATE. ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 35. UV INDEX 5 OR MODERATE. SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 26. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 35. UV INDEX 5 OR MODERATE. INNISFIL - NEW TECUMSETH - ANGUS. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H LATE THIS AFTERNOON. HIGH 26. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 35. UV INDEX 5 OR MODERATE. SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 30. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 32. UV INDEX 6 OR HIGH. BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 22. HUMIDEX 29. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15. FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 29. UV INDEX 5 OR MODERATE. HANOVER - DUNDALK - SOUTHERN GREY COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 32. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 33. UV INDEX 5 OR MODERATE. OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 32. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 29. UV INDEX 5 OR MODERATE. BARRIE - COLLINGWOOD - HILLSDALE. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 5 OR MODERATE. MIDLAND - COLDWATER - ORR LAKE. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 6 OR HIGH. ORILLIA - LAGOON CITY - WASHAGO. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H THIS AFTERNOON. HIGH 26. HUMIDEX 33. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 6 OR HIGH. COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. PICTON - SANDBANKS PARK. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. NAPANEE - CONSECON. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. KINGSTON - ODESSA - FRONTENAC ISLANDS. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 8 OR VERY HIGH. LINDSAY - SOUTHERN KAWARTHA LAKES. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 18. FRIDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 5 OR MODERATE. FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES. TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H LATE THIS AFTERNOON. HIGH 29. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST 30 KM/H BECOMING LIGHT THIS EVENING. LOW 18. FRIDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 6 OR HIGH. PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 18. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 5 OR MODERATE. APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 18. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 7 OR HIGH. STIRLING - TWEED - MADOC. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H LATE THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. FRIDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. TAMWORTH - SYDENHAM - SOUTH FRONTENAC. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. KALADAR - BANNOCKBURN - BON ECHO PARK. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14. FRIDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 36. UV INDEX 7 OR HIGH. BANCROFT - HASTINGS HIGHLANDS - DENBIGH. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 36. UV INDEX 7 OR HIGH. GANANOQUE - MALLORYTOWN. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. BROCKVILLE - PRESCOTT. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. WESTPORT - CHARLESTON LAKE. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. MERRICKVILLE-WOLFORD - KEMPTVILLE. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 38. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. OTTAWA NORTH - KANATA - ORLEANS. TODAY..SUNNY NEAR NOON THEN A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 29. HUMIDEX 39. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 37. UV INDEX 7 OR HIGH. OTTAWA SOUTH - RICHMOND - METCALFE. TODAY..SUNNY NEAR NOON THEN A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 29. HUMIDEX 39. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 37. UV INDEX 7 OR HIGH. GATINEAU. TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 19. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. PRESCOTT AND RUSSELL. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 20. FRIDAY..MAINLY CLOUDY. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. MORRISBURG - LONG SAULT. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. FRIDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. CORNWALL - LANCASTER. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. FRIDAY..MAINLY CLOUDY. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. WINCHESTER - NEWINGTON. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 30 KM/H BECOMING LIGHT THIS AFTERNOON. HIGH 28. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. FRIDAY..A MIX OF SUN AND CLOUD. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. MAXVILLE - ALEXANDRIA. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. FRIDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 18. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 36. UV INDEX 7 OR HIGH. SMITHS FALLS - PERTH - EASTERN LANARK COUNTY. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 18. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28. HUMIDEX 36. UV INDEX 7 OR HIGH. PORT CARLING - PORT SEVERN. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 16. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 6 OR HIGH. BRACEBRIDGE - GRAVENHURST. TODAY..A FEW SHOWERS ENDING EARLY THIS AFTERNOON THEN CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 33. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 16. FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 7 OR HIGH. TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 31. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 18. FRIDAY..BECOMING A MIX OF SUN AND CLOUD IN THE MORNING WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 31. UV INDEX 7 OR HIGH. HUNTSVILLE - BAYSVILLE. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 31. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 16. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 7 OR HIGH. HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 31. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 32. UV INDEX 7 OR HIGH. OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 30. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 33. UV INDEX 7 OR HIGH. BARRY'S BAY - KILLALOE. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 34. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 7 OR HIGH. RENFREW - ARNPRIOR - CALABOGIE. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 27. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 7 OR HIGH. PETAWAWA - PEMBROKE - COBDEN. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 30 KM/H LATE THIS AFTERNOON. HIGH 27. HUMIDEX 34. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 30 KM/H BECOMING LIGHT THIS EVENING. LOW 17. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 34. UV INDEX 7 OR HIGH. WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 23. HUMIDEX 29. UV INDEX 6 OR HIGH. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 31. UV INDEX 7 OR HIGH. DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 29. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 31. UV INDEX 7 OR HIGH. BAYFIELD INLET - DUNCHURCH. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 29. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 7 OR HIGH. SOUTH RIVER - BURK'S FALLS. TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 29. UV INDEX 6 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14. FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 7 OR HIGH. END