369
FPCN11 CWTO 212300 AAC
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 6:59 P.M. EDT TUESDAY 21 JULY
2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT
WEDNESDAY.
BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY.
TONIGHT..SHOWERS ENDING EARLY THIS EVENING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND SOUTHWEST 30 KM/H BECOMING LIGHT LATE THIS EVENING.
WIND BECOMING WEST 20 BEFORE MORNING. LOW 16.
WEDNESDAY..MAINLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40. HIGH 22.
HUMIDEX 25. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE EVENING. LOW 11.
PICTON - SANDBANKS PARK.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND SOUTHWEST 30 KM/H BECOMING LIGHT LATE THIS EVENING.
WIND BECOMING WEST 20 BEFORE MORNING. LOW 16.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40.
HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE EVENING. LOW 11.
NAPANEE - CONSECON.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND SOUTHWEST 30 KM/H BECOMING LIGHT LATE THIS EVENING.
WIND BECOMING WEST 20 BEFORE MORNING. LOW 16.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40.
HIGH 22. HUMIDEX 25. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE EVENING. LOW 11.
KINGSTON - ODESSA - FRONTENAC ISLANDS.
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN MAINLY CLOUDY
WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS
EVENING. WIND BECOMING WEST 30 KM/H GUSTING TO 50 THIS EVENING.
LOW 16.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND WEST 30 KM/H GUSTING TO 50.
HIGH 21. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND NORTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING WEST 20
BEFORE MORNING. LOW 13.
STIRLING - TWEED - MADOC.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. WIND
BECOMING WEST 20 GUSTING TO 40 LATE THIS EVENING. LOW 14.
WEDNESDAY..MAINLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40. HIGH 20.
UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..PARTLY CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE EVENING. LOW 10.
TAMWORTH - SYDENHAM - SOUTH FRONTENAC.
TONIGHT..MAINLY CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO
30 PERCENT CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM
THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW 15.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40.
HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND WEST 20 KM/H GUSTING
TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
KALADAR - BANNOCKBURN - BON ECHO PARK.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS THIS EVENING. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND WEST 20 KM/H. LOW 12.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND
NORTHWEST 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND NORTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 8.
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. WIND SOUTHWEST 20 KM/H BECOMING
LIGHT THIS EVENING. WIND BECOMING WEST 20 GUSTING TO 40 AFTER
MIDNIGHT. LOW 12.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND
NORTHWEST 30 KM/H GUSTING TO 50. HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT IN THE EVENING. LOW 8.
GANANOQUE - MALLORYTOWN.
TONIGHT..CLOUDY. A FEW SHOWERS ENDING NEAR MIDNIGHT THEN 40 PERCENT
CHANCE OF SHOWERS LATE THIS EVENING AND OVERNIGHT. RISK OF A
THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H BECOMING LIGHT
AFTER MIDNIGHT. WIND BECOMING WEST 20 GUSTING TO 40 BEFORE MORNING.
LOW 16.
WEDNESDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING AND
EARLY IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40. HIGH 20. UV
INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND WEST 20 KM/H GUSTING
TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
BROCKVILLE - PRESCOTT.
TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS EVENING AND
ENDING NEAR MIDNIGHT THEN 40 PERCENT CHANCE OF SHOWERS OVERNIGHT.
RISK OF A THUNDERSTORM THIS EVENING. LOW 16.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND
BECOMING WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 20. UV
INDEX 6 OR HIGH.
WEDNESDAY NIGHT..PARTLY CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
WESTPORT - CHARLESTON LAKE.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. WIND WEST 20 KM/H GUSTING TO 40. LOW 16.
WEDNESDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING AND
EARLY IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40. HIGH 20. UV
INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND NORTHWEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
MERRICKVILLE-WOLFORD - KEMPTVILLE.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. WIND BECOMING WEST 20 KM/H BEFORE MORNING. LOW 15.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. CLEARING OVERNIGHT. WIND NORTHWEST
30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
OTTAWA NORTH - KANATA - ORLEANS.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM LATE THIS
EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. WIND
BECOMING WEST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 15.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..PARTLY CLOUDY. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
OTTAWA SOUTH - RICHMOND - METCALFE.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM LATE THIS
EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. WIND
BECOMING WEST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 15.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
GATINEAU.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM LATE THIS
EVENING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. WIND
BECOMING WEST 20 GUSTING TO 40 BEFORE MORNING. LOW 15.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
30 KM/H GUSTING TO 50. HIGH 21. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING SOUTHWEST 20 BEFORE
MORNING. LOW 11.
PRESCOTT AND RUSSELL.
TONIGHT..CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO 30 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. WIND
BECOMING WEST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 16.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
30 KM/H GUSTING TO 50. HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 12.
MORRISBURG - LONG SAULT.
TONIGHT..CLOUDY. SHOWERS BEGINNING EARLY THIS EVENING AND ENDING NEAR
MIDNIGHT THEN 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A
THUNDERSTORM THIS EVENING. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING
SOUTHWEST 20 KM/H AFTER MIDNIGHT. LOW 16.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 18. UV INDEX 6 OR
HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. CLEARING OVERNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING
SOUTHWEST 20 BEFORE MORNING. LOW 12.
CORNWALL - LANCASTER.
TONIGHT..SHOWERS ENDING NEAR MIDNIGHT THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT
10 TO 15 MM. WIND BECOMING SOUTHWEST 30 KM/H AFTER MIDNIGHT. LOW 17.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND
SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT AFTER MIDNIGHT. WIND BECOMING SOUTHWEST 30 BEFORE
MORNING. LOW 13.
WINCHESTER - NEWINGTON.
TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS EVENING AND
ENDING NEAR MIDNIGHT THEN 40 PERCENT CHANCE OF SHOWERS OVERNIGHT.
RISK OF A THUNDERSTORM THIS EVENING. LOCAL AMOUNT 10 TO 15 MM. WIND
BECOMING WEST 20 KM/H BEFORE MORNING. LOW 16.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H GUSTING TO 40. TEMPERATURE STEADY NEAR 17. UV INDEX 6 OR
HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 10.
MAXVILLE - ALEXANDRIA.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
LOCAL AMOUNT 10 TO 15 MM. WIND SOUTHEAST 20 KM/H BECOMING SOUTHWEST
20 LATE THIS EVENING. LOW 16.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 17. UV INDEX 6 OR
HIGH.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 10.
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. WIND BECOMING WEST 20 BEFORE MORNING. LOW 14.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND NORTHWEST 30 KM/H GUSTING TO 50.
HIGH 19. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE EVENING.
LOW 9.
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H BECOMING LIGHT
LATE THIS EVENING. LOW 16.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40
IN THE MORNING. HIGH 20. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
REMAINDER UNCHANGED.
END
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