FPCN11 CWTO 100239 AAF
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 10:37 P.M. EDT SATURDAY 9 MAY
2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT SUNDAY.

CHATHAM-KENT - RONDEAU PARK.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
 EVENING WITH RISK OF A THUNDERSTORM. LOW PLUS 4.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
 NORTHWEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. WIND BECOMING
 SOUTHWEST 30 LATE IN THE AFTERNOON. HIGH 17 EXCEPT 12 NEAR LAKE
 ERIE. UV INDEX 7 OR HIGH.
SUNDAY NIGHT..CLEARING IN THE EVENING. WIND SOUTHWEST 30 KM/H
 BECOMING LIGHT IN THE EVENING. LOW PLUS 2.

SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS
 EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. WIND
 NORTHWEST 20 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 2 WITH
 RISK OF FROST.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
 NORTHWEST 20 KM/H BECOMING LIGHT LATE IN THE MORNING. HIGH 14. UV
 INDEX 6 OR HIGH.
SUNDAY NIGHT..CLEARING LATE IN THE EVENING. WIND NORTHEAST 30 KM/H
 BECOMING LIGHT AFTER MIDNIGHT. WIND BECOMING NORTH 20 BEFORE
 MORNING. LOW PLUS 2.

WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
 EVENING WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW
 PLUS 2 WITH RISK OF FROST.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
 BECOMING WEST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 14. UV
 INDEX 6 OR HIGH.
SUNDAY NIGHT..CLEARING LATE IN THE EVENING. WIND NORTHWEST 20 KM/H
 GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 3.

REMAINDER UNCHANGED.

END