932
FPCN11 CWTO 301021 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 6:20 A.M. EDT TUESDAY 30 JUNE
2026 FOR TODAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.
CITY OF TORONTO.
TODAY..A FEW SHOWERS ENDING THIS MORNING THEN CLEARING. RISK OF A
THUNDERSTORM THIS MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING
TO 40 NEAR NOON. HIGH 34. HUMIDEX 44. UV INDEX 9 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 24.
WEDNESDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD
WITH 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A
THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 LATE IN THE MORNING. HIGH 34. HUMIDEX 44. UV INDEX 10
OR VERY HIGH.
VAUGHAN - RICHMOND HILL - MARKHAM.
TODAY..A FEW SHOWERS ENDING THIS MORNING THEN A MIX OF SUN AND CLOUD.
RISK OF A THUNDERSTORM THIS MORNING. LOCAL AMOUNT 10 TO 15 MM. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 34. HUMIDEX
44. UV INDEX 10 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 24.
WEDNESDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 LATE IN THE MORNING. HIGH 34. HUMIDEX 44. UV
INDEX 10 OR VERY HIGH.
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
TODAY..A FEW SHOWERS ENDING THIS MORNING THEN CLEARING. RISK OF A
THUNDERSTORM THIS MORNING. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING
SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 34. HUMIDEX 44. UV
INDEX 9 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 24.
WEDNESDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 LATE IN THE MORNING. HIGH 34. HUMIDEX 44. UV
INDEX 10 OR VERY HIGH.
COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY.
TODAY..A FEW SHOWERS ENDING LATE THIS MORNING THEN A MIX OF SUN AND
CLOUD. RISK OF A THUNDERSTORM THIS MORNING. LOCAL AMOUNT 10 TO
15 MM. WIND BECOMING SOUTH 20 KM/H NEAR NOON. HIGH 30. HUMIDEX 40.
UV INDEX 9 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 22.
WEDNESDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 NEAR NOON. HIGH 32. HUMIDEX 42. UV INDEX 10 OR
VERY HIGH.
REMAINDER UNCHANGED.
END
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