FPCN11 CWTO 200853 FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. EDT THURSDAY 20 AUGUST 2026 FOR TODAY AND FRIDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT. CITY OF TORONTO. TODAY..MAINLY SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. LOW 13. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. WINDSOR - LEAMINGTON - ESSEX COUNTY. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS MORNING. WIND NORTHEAST 20 KM/H GUSTING TO 40. HIGH 27. HUMIDEX 32. UV INDEX 7 OR HIGH. TONIGHT..CLEARING THIS EVENING. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 16. FRIDAY..SUNNY. HIGH 27. HUMIDEX 29. UV INDEX 7 OR HIGH. CHATHAM-KENT - RONDEAU PARK. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS MORNING. CLEARING THIS AFTERNOON. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 THIS MORNING. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 14. FRIDAY..SUNNY. HIGH 27. HUMIDEX 32. UV INDEX 7 OR HIGH. SARNIA - PETROLIA - WESTERN LAMBTON COUNTY. TODAY..MAINLY CLOUDY. CLEARING LATE THIS MORNING. WIND NORTHEAST 20 KM/H GUSTING TO 40. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 12. FRIDAY..SUNNY. HIGH 27. HUMIDEX 30. UV INDEX 7 OR HIGH. WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY. TODAY..MAINLY CLOUDY. CLEARING NEAR NOON. WIND NORTHEAST 20 KM/H BECOMING LIGHT NEAR NOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW 12. FRIDAY..MAINLY SUNNY. HIGH 27. HUMIDEX 30. UV INDEX 7 OR HIGH. RODNEY - SHEDDEN - WESTERN ELGIN COUNTY. TODAY..CLOUDY. CLEARING NEAR NOON. WIND BECOMING NORTHEAST 20 KM/H THIS MORNING THEN BECOMING NORTHWEST 20 GUSTING TO 40 LATE THIS AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 13. FRIDAY..SUNNY. HIGH 27. HUMIDEX 31. UV INDEX 7 OR HIGH. ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY. TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. WIND BECOMING NORTHEAST 20 KM/H THIS MORNING THEN BECOMING NORTHWEST 20 GUSTING TO 40 LATE THIS AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 13. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 27. HUMIDEX 31. UV INDEX 7 OR HIGH. STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY. TODAY..MAINLY CLOUDY. CLEARING NEAR NOON. WIND BECOMING NORTHWEST 20 KM/H EARLY THIS AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 11. FRIDAY..SUNNY. HIGH 27. HUMIDEX 29. UV INDEX 7 OR HIGH. LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY. TODAY..MAINLY CLOUDY. CLEARING THIS MORNING. WIND NORTHEAST 20 KM/H BECOMING NORTHWEST 20 THIS AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 11. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 27. HUMIDEX 29. UV INDEX 7 OR HIGH. SIMCOE - DELHI - NORFOLK. TODAY..CLOUDY. CLEARING LATE THIS MORNING. WIND BECOMING NORTHEAST 20 KM/H THIS MORNING. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. LOW 11. FRIDAY..MAINLY SUNNY. HIGH 27. HUMIDEX 29. UV INDEX 7 OR HIGH. DUNNVILLE - CALEDONIA - HALDIMAND. TODAY..MAINLY CLOUDY. CLEARING THIS MORNING. HIGH 26. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. LOW 11. FRIDAY..MAINLY SUNNY. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. WOODSTOCK - TILLSONBURG - OXFORD COUNTY. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING NORTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 10. FRIDAY..SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON. HIGH 27. HUMIDEX 29. UV INDEX 7 OR HIGH. BRANTFORD - COUNTY OF BRANT. TODAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. LOW 10. FRIDAY..MAINLY SUNNY. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION. TODAY..MAINLY CLOUDY. CLEARING LATE THIS MORNING. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW 13. FRIDAY..SUNNY. HIGH 26. HUMIDEX 28. UV INDEX 8 OR VERY HIGH. ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION. TODAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEARING THIS EVENING. LOW 13. FRIDAY..SUNNY. HIGH 26. HUMIDEX 30. UV INDEX 7 OR HIGH. CITY OF HAMILTON. TODAY..MAINLY SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW 13. FRIDAY..MAINLY SUNNY. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. BURLINGTON - OAKVILLE. TODAY..MAINLY SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEARING THIS EVENING. LOW 13. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. HALTON HILLS - MILTON. TODAY..MAINLY SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEARING THIS EVENING. LOW 12. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. MISSISSAUGA - BRAMPTON. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY THIS AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..CLEARING THIS EVENING. LOW 12. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. CALEDON. TODAY..A MIX OF SUN AND CLOUD. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. VAUGHAN - RICHMOND HILL - MARKHAM. TODAY..MAINLY SUNNY. WIND BECOMING NORTH 20 KM/H LATE THIS AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 12. FRIDAY..SUNNY. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. NEWMARKET - GEORGINA - NORTHERN YORK REGION. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. PICKERING - OSHAWA - SOUTHERN DURHAM REGION. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH. GODERICH - BLUEWATER - SOUTHERN HURON COUNTY. TODAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H THIS MORNING THEN BECOMING NORTHWEST 20 GUSTING TO 40. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 9. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. WINGHAM - BLYTH - NORTHERN HURON COUNTY. TODAY..SUNNY. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY. TODAY..MAINLY SUNNY. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 9. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY. TODAY..MAINLY SUNNY. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. KITCHENER - CAMBRIDGE - REGION OF WATERLOO. TODAY..MAINLY SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. TODAY..MAINLY SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY. TODAY..SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. INNISFIL - NEW TECUMSETH - ANGUS. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY. TODAY..SUNNY. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY. TODAY..SUNNY. HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH. TONIGHT..CLEAR. LOW 11. FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. HANOVER - DUNDALK - SOUTHERN GREY COUNTY. TODAY..SUNNY. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY. TODAY..SUNNY. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. LOW 9. FRIDAY..SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. BARRIE - COLLINGWOOD - HILLSDALE. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. MIDLAND - COLDWATER - ORR LAKE. TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H LATE THIS MORNING. HIGH 23. HUMIDEX 25. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. ORILLIA - LAGOON CITY - WASHAGO. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 23. HUMIDEX 25. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. PICTON - SANDBANKS PARK. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. NAPANEE - CONSECON. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. KINGSTON - ODESSA - FRONTENAC ISLANDS. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. LINDSAY - SOUTHERN KAWARTHA LAKES. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 8. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 8. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND EAST 20 KM/H BECOMING LIGHT LATE IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 8. FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. LOW 8. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. STIRLING - TWEED - MADOC. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. TAMWORTH - SYDENHAM - SOUTH FRONTENAC. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY LATE IN THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. KALADAR - BANNOCKBURN - BON ECHO PARK. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. BANCROFT - HASTINGS HIGHLANDS - DENBIGH. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS NEAR NOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. GANANOQUE - MALLORYTOWN. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. BROCKVILLE - PRESCOTT. TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING THEN CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. WESTPORT - CHARLESTON LAKE. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..MAINLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. MERRICKVILLE-WOLFORD - KEMPTVILLE. TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 28. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING THEN CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. OTTAWA NORTH - KANATA - ORLEANS. TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. OTTAWA SOUTH - RICHMOND - METCALFE. TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. GATINEAU. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. PRESCOTT AND RUSSELL. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH. MORRISBURG - LONG SAULT. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING THEN CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. CORNWALL - LANCASTER. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. WINCHESTER - NEWINGTON. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING THEN CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. MAXVILLE - ALEXANDRIA. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS MORNING THEN 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. SMITHS FALLS - PERTH - EASTERN LANARK COUNTY. TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. OTHERWISE CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 7 OR HIGH. PORT CARLING - PORT SEVERN. TODAY..SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H LATE THIS MORNING. HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH. TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. BRACEBRIDGE - GRAVENHURST. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV INDEX 7 OR HIGH. TONIGHT..CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. HUNTSVILLE - BAYSVILLE. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH. HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY. TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 25. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 25. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. BARRY'S BAY - KILLALOE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 25. UV INDEX 7 OR HIGH. RENFREW - ARNPRIOR - CALABOGIE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 25. UV INDEX 7 OR HIGH. PETAWAWA - PEMBROKE - COBDEN. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. OTHERWISE CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 25. UV INDEX 7 OR HIGH. WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS. TODAY..SUNNY. INCREASING CLOUDINESS THIS MORNING THEN 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH. TONIGHT..CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7. FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE THIS MORNING THEN 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7. FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 26. UV INDEX 7 OR HIGH. BAYFIELD INLET - DUNCHURCH. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV INDEX 6 OR HIGH. TONIGHT..CLEARING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11. FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 25. UV INDEX 7 OR HIGH. SOUTH RIVER - BURK'S FALLS. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 23. UV INDEX 6 OR HIGH. TONIGHT..CLEARING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9. FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 25. UV INDEX 7 OR HIGH. END