FPCN11 CWTO 301343 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 9:41 A.M. EDT THURSDAY 30
APRIL 2026 FOR TODAY AND FRIDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.

CITY OF TORONTO.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST
 20 KM/H BECOMING NORTH 20 LATE THIS AFTERNOON. HIGH 12. UV INDEX 5
 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
 EVENING. WIND NORTH 20 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW
 PLUS 1 WITH PATCHY FROST.
FRIDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
 AFTERNOON. HIGH 12. UV INDEX 5 OR MODERATE.

DUNNVILLE - CALEDONIA - HALDIMAND.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 12. UV INDEX 5
 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING.
 WIND UP TO 15 KM/H. LOW MINUS 3 WITH FROST. WIND CHILL MINUS 5
 OVERNIGHT.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
 AFTERNOON. WIND BECOMING WEST 20 KM/H IN THE AFTERNOON. HIGH 11. UV
 INDEX 6 OR HIGH.

NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST
 20 KM/H LATE THIS AFTERNOON. HIGH 10. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING THEN
 PARTLY CLOUDY. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW
 PLUS 1 WITH RISK OF FROST.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
 AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON.
 HIGH 10. UV INDEX 6 OR HIGH.

ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 11. UV INDEX 4
 OR MODERATE.
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING THEN
 PARTLY CLOUDY. LOW PLUS 1 WITH RISK OF FROST.
FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
 WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 11. UV
 INDEX 6 OR HIGH.

VAUGHAN - RICHMOND HILL - MARKHAM.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. WIND
 NORTH 30 KM/H. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
 EVENING. WIND NORTH 30 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 2
 WITH FROST. WIND CHILL MINUS 6 OVERNIGHT.
FRIDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
 AFTERNOON. WIND SOUTHWEST 20 KM/H BECOMING NORTHWEST 20 LATE IN THE
 AFTERNOON. HIGH 11. UV INDEX 5 OR MODERATE.

PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS MORNING. WIND
 NORTHWEST 20 KM/H. HIGH 11. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE
 THIS EVENING. LOW MINUS 3 WITH FROST. WIND CHILL MINUS 7 OVERNIGHT.
FRIDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
 AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING.
 HIGH 12. UV INDEX 6 OR HIGH.

REMAINDER UNCHANGED.

END