784
FPCN11 CWTO 050234 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 10:33 P.M. EDT SUNDAY 4
OCTOBER 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY.
GANANOQUE - MALLORYTOWN.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. WIND BECOMING NORTHWEST 30 KM/H
GUSTING TO 50 LATE IN THE MORNING. HIGH 15. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLEAR. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
IN THE EVENING. LOW PLUS 1 WITH PATCHY FROST.
BROCKVILLE - PRESCOTT.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. WIND WEST 20 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. WIND BECOMING NORTHWEST 30 KM/H
GUSTING TO 50 LATE IN THE MORNING. HIGH 15. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW PLUS 1 WITH PATCHY FROST.
WESTPORT - CHARLESTON LAKE.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. WIND BECOMING WEST 20 KM/H BEFORE MORNING. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. WIND WEST 30 KM/H GUSTING TO 60.
HIGH 15. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT AFTER MIDNIGHT. LOW PLUS 1 WITH PATCHY FROST.
MERRICKVILLE-WOLFORD - KEMPTVILLE.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN MAINLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. WIND BECOMING NORTHWEST 30 KM/H
GUSTING TO 50 LATE IN THE MORNING. HIGH 15. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 30 KM/H GUSTING TO 50. LOW PLUS 1
WITH PATCHY FROST.
MORRISBURG - LONG SAULT.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. WIND BECOMING WEST 30 KM/H
GUSTING TO 50 LATE IN THE MORNING. HIGH 13. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND WEST
30 KM/H GUSTING TO 50. LOW PLUS 1 WITH PATCHY FROST.
CORNWALL - LANCASTER.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOW 8.
MONDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. CLEARING LATE IN THE AFTERNOON.
WIND BECOMING WEST 30 KM/H GUSTING TO 50 LATE IN THE MORNING.
HIGH 13. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND WEST
30 KM/H GUSTING TO 50. LOW PLUS 1 WITH PATCHY FROST.
WINCHESTER - NEWINGTON.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. WIND BECOMING WEST 30 KM/H
GUSTING TO 50 LATE IN THE MORNING. HIGH 13. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND WEST
30 KM/H GUSTING TO 50 BECOMING LIGHT BEFORE MORNING. LOW PLUS 1 WITH
PATCHY FROST.
MAXVILLE - ALEXANDRIA.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOW 8.
MONDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. CLEARING LATE IN THE AFTERNOON.
WIND BECOMING WEST 30 KM/H GUSTING TO 50 LATE IN THE MORNING.
HIGH 13. UV INDEX 3 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND WEST
20 KM/H GUSTING TO 40. LOW PLUS 1 WITH PATCHY FROST.
REMAINDER UNCHANGED.
END
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