FPCN11 CWTO 100015 AAC
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 8:14 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.

CITY OF HAMILTON.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
 CLEARING BEFORE MORNING. LOW PLUS 1 WITH PATCHY FROST.
SUNDAY..SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 IN THE
 MORNING. HIGH 14. UV INDEX 6 OR HIGH.
SUNDAY NIGHT..A FEW CLOUDS. WIND WEST 20 KM/H BECOMING LIGHT IN THE
 EVENING. LOW PLUS 2 WITH RISK OF FROST.

BURLINGTON - OAKVILLE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
 CLEARING BEFORE MORNING. WIND BECOMING WEST 20 KM/H GUSTING TO 40
 BEFORE MORNING. LOW PLUS 1 WITH PATCHY FROST.
SUNDAY..SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 14. UV INDEX 6
 OR HIGH.
SUNDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40
 BECOMING LIGHT IN THE EVENING. LOW PLUS 1 WITH PATCHY FROST.

HALTON HILLS - MILTON.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
 CLEARING BEFORE MORNING. WIND BECOMING WEST 20 KM/H BEFORE MORNING.
 LOW PLUS 1 WITH PATCHY FROST.
SUNDAY..SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 14. UV INDEX 6
 OR HIGH.
SUNDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40
 BECOMING LIGHT IN THE EVENING. LOW PLUS 1 WITH PATCHY FROST.

MISSISSAUGA - BRAMPTON.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
 EVENING. BECOMING CLEAR OVERNIGHT. WIND WEST 20 KM/H. LOW PLUS 1
 WITH PATCHY FROST.
SUNDAY..SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 14. UV INDEX 6
 OR HIGH.
SUNDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40
 BECOMING LIGHT IN THE EVENING. LOW PLUS 1 WITH PATCHY FROST.

VAUGHAN - RICHMOND HILL - MARKHAM.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
 CLEARING BEFORE MORNING. LOW PLUS 1 WITH PATCHY FROST.
SUNDAY..MAINLY SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 IN THE
 MORNING. HIGH 14. UV INDEX 6 OR HIGH.
SUNDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
 LIGHT IN THE EVENING. LOW MINUS 1 WITH FROST.

PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLEARING. RISK OF A
 THUNDERSTORM THIS EVENING. WIND BECOMING WEST 20 KM/H BEFORE
 MORNING. LOW PLUS 1 WITH PATCHY FROST.
SUNDAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 14.
 UV INDEX 6 OR HIGH.
SUNDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
 LIGHT IN THE EVENING. WIND BECOMING NORTHWEST 20 BEFORE MORNING. LOW
 MINUS 1 WITH FROST.

REMAINDER UNCHANGED.

END