121
FPCN11 CWTO 232205 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 6:04 P.M. EDT SUNDAY 23 AUGUST
2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY.
NEWMARKET - GEORGINA - NORTHERN YORK REGION.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50
BECOMING LIGHT THIS EVENING. LOW 13.
MONDAY..SHOWERS. WIND BECOMING WEST 20 KM/H IN THE AFTERNOON.
HIGH 20. HUMIDEX 25. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 15.
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN MAINLY CLOUDY
WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND BECOMING SOUTHWEST 20 KM/H BEFORE MORNING. LOW 12.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST
20 KM/H. HIGH 20. UV INDEX 4 OR MODERATE.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 15.
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. WIND SOUTHWEST 20 KM/H. LOW 12.
MONDAY..SHOWERS. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 20. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 15.
INNISFIL - NEW TECUMSETH - ANGUS.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 14.
MONDAY..SHOWERS. WIND BECOMING NORTHWEST 20 KM/H LATE IN THE MORNING.
HIGH 21. HUMIDEX 26. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H BECOMING LIGHT IN THE EVENING. LOW 15.
BARRIE - COLLINGWOOD - HILLSDALE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. A
FEW SHOWERS BEGINNING THIS EVENING. RISK OF A THUNDERSTORM THIS
EVENING. LOCAL AMOUNT 5 TO 10 MM. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 13.
MONDAY..SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. LOCAL
AMOUNT 5 TO 10 MM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 19. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND WEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 14.
MIDLAND - COLDWATER - ORR LAKE.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT
10 MM. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT LATE THIS
EVENING. LOW 13.
MONDAY..SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. LOCAL
AMOUNT 10 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 19. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40. LOW 14.
ORILLIA - LAGOON CITY - WASHAGO.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT
10 MM. WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING SOUTHWEST 30
LATE THIS EVENING. LOW 13.
MONDAY..SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. LOCAL
AMOUNT 10 MM. WIND SOUTHWEST 30 KM/H BECOMING NORTHWEST 30 GUSTING
TO 50 IN THE AFTERNOON. HIGH 19. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND NORTHWEST 30 KM/H. LOW 14.
LINDSAY - SOUTHERN KAWARTHA LAKES.
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN CLOUDY WITH
60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 12.
MONDAY..SHOWERS. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
MORNING THEN BECOMING NORTHWEST 20 IN THE AFTERNOON. HIGH 19. UV
INDEX 2 OR LOW.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 14.
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT
10 MM. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING.
WIND BECOMING SOUTHWEST 30 LATE THIS EVENING. LOW 12.
MONDAY..SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. LOCAL
AMOUNT 10 MM. WIND SOUTHWEST 30 KM/H. HIGH 19. UV INDEX 2 OR LOW.
MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 14.
PORT CARLING - PORT SEVERN.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT
10 MM. WIND NORTHWEST 30 KM/H GUSTING TO 50. LOW 13.
MONDAY..SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. LOCAL
AMOUNT 10 MM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 20. HUMIDEX 25.
UV INDEX 2 OR LOW.
MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND NORTHWEST 30 KM/H GUSTING TO 50. LOW 14.
BRACEBRIDGE - GRAVENHURST.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT
10 MM. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 13.
MONDAY..SHOWERS. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. LOCAL
AMOUNT 10 MM. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON.
HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW.
MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 14.
REMAINDER UNCHANGED.
END
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