001
FPCN11 CWTO 110048 AAC
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 8:48 P.M. EDT SUNDAY 10 MAY
2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY.
NEWMARKET - GEORGINA - NORTHERN YORK REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
LOW PLUS 1 WITH PATCHY FROST.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON.
HIGH 11. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. LOW MINUS 1 WITH FROST.
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
WIND BECOMING NORTHWEST 20 KM/H BEFORE MORNING. LOW PLUS 1 WITH
PATCHY FROST.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON.
HIGH 11. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. LOW MINUS 1 WITH FROST.
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
LOW ZERO.
MONDAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE IN
THE MORNING. HIGH 11. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEARING IN THE EVENING. WIND UP TO 15 KM/H. LOW
MINUS 2. WIND CHILL MINUS 4 OVERNIGHT.
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
LOW ZERO.
MONDAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE IN
THE MORNING. HIGH 11. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEARING IN THE EVENING. WIND UP TO 15 KM/H. LOW
MINUS 2. WIND CHILL MINUS 4 OVERNIGHT.
INNISFIL - NEW TECUMSETH - ANGUS.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
WIND BECOMING NORTHWEST 20 KM/H BEFORE MORNING. LOW ZERO.
MONDAY..MAINLY SUNNY. WIND NORTH 20 KM/H BECOMING LIGHT IN THE
AFTERNOON. HIGH 11. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEARING IN THE EVENING. WIND UP TO 15 KM/H. LOW
MINUS 2. WIND CHILL MINUS 4 OVERNIGHT.
BARRIE - COLLINGWOOD - HILLSDALE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
WIND WEST 20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW PLUS 1.
MONDAY..CLEARING IN THE MORNING. WIND NORTHWEST 20 KM/H BECOMING
LIGHT LATE IN THE MORNING. HIGH 10. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. LOW MINUS 1.
MIDLAND - COLDWATER - ORR LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
WIND WEST 30 KM/H BECOMING LIGHT LATE THIS EVENING. LOW PLUS 1.
MONDAY..CLEARING IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H LATE
IN THE MORNING. HIGH 10. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW MINUS 1.
ORILLIA - LAGOON CITY - WASHAGO.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
WIND NORTHWEST 30 KM/H. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H LATE IN THE MORNING.
HIGH 10. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW PLUS 1.
LINDSAY - SOUTHERN KAWARTHA LAKES.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON.
HIGH 11. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 5
OVERNIGHT.
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW
MINUS 1.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND WEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON.
HIGH 10. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 5
OVERNIGHT.
PORT CARLING - PORT SEVERN.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS THIS
EVENING AND 30 PERCENT CHANCE OF FLURRIES BEFORE MORNING. WIND WEST
30 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES
CHANGING TO 30 PERCENT CHANCE OF RAIN SHOWERS IN THE MORNING. WIND
BECOMING NORTHWEST 30 KM/H IN THE MORNING. HIGH 10. UV INDEX 6 OR
HIGH.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 30 KM/H BECOMING LIGHT IN THE
EVENING. LOW MINUS 1.
BRACEBRIDGE - GRAVENHURST.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS THIS
EVENING AND 30 PERCENT CHANCE OF FLURRIES BEFORE MORNING. WIND WEST
20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES
CHANGING TO 30 PERCENT CHANCE OF RAIN SHOWERS IN THE MORNING. WIND
WEST 20 KM/H BECOMING LIGHT LATE IN THE MORNING. HIGH 10. UV INDEX 5
OR MODERATE.
MONDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL
MINUS 5 OVERNIGHT.
REMAINDER UNCHANGED.
END
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