FPCN11 CWTO 060149 AAG

UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL

REGION ISSUED BY ENVIRONMENT CANADA AT 9:48 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.



SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.

TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 7.

WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY

 IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON.

 HIGH 12. UV INDEX 6 OR HIGH.

WEDNESDAY NIGHT..MAINLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW PLUS 2

 WITH RISK OF FROST.



WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.

TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 6.

WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY

 IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON.

 HIGH 12. UV INDEX 6 OR HIGH.

WEDNESDAY NIGHT..MAINLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW PLUS 2

 WITH RISK OF FROST.



REMAINDER UNCHANGED.



END