700
FPCN11 CWTO 270956 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 5:55 A.M. EDT THURSDAY 27
AUGUST 2026 FOR TODAY AND FRIDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST
30 KM/H THIS MORNING. HIGH 20. HUMIDEX 25. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND NORTHWEST 30 KM/H BECOMING LIGHT AFTER
MIDNIGHT. LOW 13.
FRIDAY..MAINLY CLOUDY. CLEARING IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 20. UV INDEX 6 OR HIGH.
BARRIE - COLLINGWOOD - HILLSDALE.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST
20 KM/H GUSTING TO 40 THIS MORNING. HIGH 23. HUMIDEX 29. UV INDEX 5
OR MODERATE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW 14.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV
INDEX 6 OR HIGH.
MIDLAND - COLDWATER - ORR LAKE.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST
20 KM/H GUSTING TO 40 THIS MORNING. HIGH 23. HUMIDEX 29. UV INDEX 5
OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. WIND BECOMING NORTH 30 LATE THIS EVENING. LOW 14.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE MORNING. CLEARING LATE IN THE AFTERNOON. FOG PATCHES DISSIPATING
IN THE MORNING. HIGH 21. UV INDEX 6 OR HIGH.
ORILLIA - LAGOON CITY - WASHAGO.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST 20 KM/H
GUSTING TO 40. HIGH 22. HUMIDEX 27. UV INDEX 5 OR MODERATE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DEVELOPING OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
LATE THIS EVENING. LOW 15.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV
INDEX 6 OR HIGH.
REMAINDER UNCHANGED.
END
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