FPCN11 CWTO 210313 AAC

UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL

REGION ISSUED BY ENVIRONMENT CANADA AT 11:12 P.M. EDT SATURDAY 20

JUNE 2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.

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



WINDSOR - LEAMINGTON - ESSEX COUNTY.

TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS

 EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. FOG PATCHES

 DEVELOPING OVERNIGHT. LOW 13.

SUNDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG

 PATCHES DISSIPATING IN THE MORNING. HIGH 23. HUMIDEX 25. UV INDEX 9

 OR VERY HIGH.

SUNDAY NIGHT..CLOUDY. RAIN BEGINNING NEAR MIDNIGHT. AMOUNT 10 TO

 15 MM. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 BEFORE MORNING.

 LOW 14.



CHATHAM-KENT - RONDEAU PARK.

TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS

 EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. FOG PATCHES

 DEVELOPING OVERNIGHT. LOW 13.

SUNDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE

 MORNING. HIGH 23. HUMIDEX 25. UV INDEX 9 OR VERY HIGH.

SUNDAY NIGHT..CLOUDY. RAIN BEGINNING NEAR MIDNIGHT. AMOUNT 10 TO

 15 MM. WIND BECOMING NORTHEAST 20 KM/H BEFORE MORNING. LOW 14.



SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.

TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS

 EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. FOG PATCHES

 DEVELOPING OVERNIGHT. LOW 11.

SUNDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG

 PATCHES DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 9

 OR VERY HIGH.

SUNDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING OVERNIGHT. LOW 14.



REMAINDER UNCHANGED.



END