567
FPCN11 CWTO 202157 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 5:57 P.M. EDT THURSDAY 20
AUGUST 2026 FOR TONIGHT FRIDAY AND FRIDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT FRIDAY.
KALADAR - BANNOCKBURN - BON ECHO PARK.
TONIGHT..PARTLY 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.
FRIDAY NIGHT..CLEAR. LOW 11.
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING THEN CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 7
OR HIGH.
FRIDAY NIGHT..CLEARING IN THE EVENING. LOW 10.
OTTAWA NORTH - KANATA - ORLEANS.
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 28. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 12.
OTTAWA SOUTH - RICHMOND - METCALFE.
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 28. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 12.
GATINEAU.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY 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 27. UV INDEX 7
OR HIGH.
FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY BEFORE MORNING. LOW 12.
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING OVERNIGHT. FOG PATCHES DEVELOPING OVERNIGHT.
LOW 10.
FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 25. HUMIDEX 29. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 11.
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 10.
FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 25. HUMIDEX 29. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 12.
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. OTHERWISE CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25.
HUMIDEX 27. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. INCREASING CLOUDINESS NEAR MIDNIGHT. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 16.
HUNTSVILLE - BAYSVILLE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. LOW 10.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 25.
HUMIDEX 27. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 14.
HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING THEN CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 23. HUMIDEX 25. UV INDEX 7
OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 12.
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. LOW 9.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 23. HUMIDEX 25. UV INDEX 7
OR HIGH.
FRIDAY NIGHT..CLEARING IN THE EVENING. LOW 12.
BARRY'S BAY - KILLALOE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT.
LOW 9.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24.
HUMIDEX 27. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW 12.
RENFREW - ARNPRIOR - CALABOGIE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING OVERNIGHT. FOG PATCHES DEVELOPING OVERNIGHT.
LOW 9.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24.
HUMIDEX 27. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEAR. LOW 12.
PETAWAWA - PEMBROKE - COBDEN.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT.
LOW 9.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24.
HUMIDEX 27. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..A FEW CLOUDS. LOW 12.
DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT.
LOW 9.
FRIDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 24.
HUMIDEX 26. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLEARING LATE IN THE EVENING. LOW 11.
REMAINDER UNCHANGED.
END
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