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