FPCN11 CWTO 052139 AAF

UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL

REGION ISSUED BY ENVIRONMENT CANADA AT 5:38 P.M. EDT TUESDAY 5 MAY

2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.

THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT

WEDNESDAY.



VAUGHAN - RICHMOND HILL - MARKHAM.

TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.

WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 12.

 UV INDEX 5 OR MODERATE.

WEDNESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN

 THE EVENING. CLEARING BEFORE MORNING. LOW PLUS 2 WITH RISK OF FROST.



NEWMARKET - GEORGINA - NORTHERN YORK REGION.

TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS

 EVENING. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW PLUS 5.

WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 12.

 UV INDEX 5 OR MODERATE.

WEDNESDAY NIGHT..MAINLY CLOUDY. LOW PLUS 1 WITH PATCHY FROST.



PICKERING - OSHAWA - SOUTHERN DURHAM REGION.

TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND

 NORTHWEST 30 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 6.

WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 12.

 UV INDEX 5 OR MODERATE.

WEDNESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN

 THE EVENING. CLEARING BEFORE MORNING. LOW PLUS 2 WITH RISK OF FROST.



UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.

TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS

 EVENING. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW PLUS 5.

WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 12.

 UV INDEX 5 OR MODERATE.

WEDNESDAY NIGHT..MAINLY CLOUDY. LOW PLUS 1 WITH PATCHY FROST.



REMAINDER UNCHANGED.



END