464
FPCN11 CWTO 030220 AAH
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 10:20 P.M. EDT SUNDAY 2 AUGUST
2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY.
COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOCAL AMOUNT 40 TO 50 MM. WIND BECOMING NORTHWEST 20 KM/H
GUSTING TO 40 BEFORE MORNING. LOW 15.
MONDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. BECOMING
A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND NORTHWEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 25. HUMIDEX
31. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW 14.
BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOCAL AMOUNT 40 TO 50 MM. WIND BECOMING NORTHWEST 20 KM/H
GUSTING TO 40 BEFORE MORNING. LOW 15.
MONDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. BECOMING
A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND NORTHWEST 30 KM/H
GUSTING TO 50 BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 25. HUMIDEX
31. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW 14.
PICTON - SANDBANKS PARK.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 TO 50 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40
BEFORE MORNING. LOW 16.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. BECOMING A MIX OF SUN AND CLOUD IN THE
AFTERNOON. LOCAL AMOUNT 5 MM. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 31. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. LOW 14.
NAPANEE - CONSECON.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 TO 50 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40
BEFORE MORNING. LOW 16.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. BECOMING A MIX OF SUN AND CLOUD IN THE
AFTERNOON. LOCAL AMOUNT 5 MM. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 31. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. LOW 14.
KINGSTON - ODESSA - FRONTENAC ISLANDS.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 TO 50 MM. WIND BECOMING SOUTH 20 KM/H BEFORE MORNING.
LOW 17.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. LOCAL AMOUNT 5 MM. WIND SOUTHWEST
20 KM/H GUSTING TO 40 BECOMING NORTHWEST 30 GUSTING TO 50 IN THE
MORNING. HIGH 25. HUMIDEX 31. UV INDEX 7 OR HIGH.
MONDAY NIGHT..CLEAR. LOW 13.
PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOCAL AMOUNT 30 TO 40 MM. WIND NORTH 20 KM/H GUSTING TO 40.
LOW 14.
MONDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. CLEARING
LATE IN THE AFTERNOON. WIND NORTHWEST 30 KM/H GUSTING TO 50.
HIGH 25. HUMIDEX 30. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. WIND
NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN THE EVENING. LOW 11.
APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING. LOCAL AMOUNT 30 TO 40 MM. WIND NORTH 30 KM/H GUSTING TO 50.
LOW 13.
MONDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. CLEARING
LATE IN THE AFTERNOON. WIND NORTH 30 KM/H GUSTING TO 50. HIGH 25.
HUMIDEX 29. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. FOG PATCHES DEVELOPING NEAR MIDNIGHT. WIND
NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN THE EVENING. LOW 11.
STIRLING - TWEED - MADOC.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 TO 50 MM. WIND BECOMING NORTH 30 KM/H GUSTING TO 50 BEFORE
MORNING. LOW 14.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. BECOMING A MIX OF SUN AND CLOUD IN THE
AFTERNOON. LOCAL AMOUNT 5 MM. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. LOW 11.
TAMWORTH - SYDENHAM - SOUTH FRONTENAC.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 TO 50 MM. LOW 14.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. BECOMING A MIX OF SUN AND CLOUD LATE
IN THE AFTERNOON. LOCAL AMOUNT 5 MM. WIND BECOMING NORTHWEST 30 KM/H
GUSTING TO 50 IN THE MORNING THEN LIGHT LATE IN THE AFTERNOON.
HIGH 25. HUMIDEX 30. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. LOW 11.
KALADAR - BANNOCKBURN - BON ECHO PARK.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING AND AFTER MIDNIGHT. LOCAL AMOUNT 40 TO 50 MM. LOW 14.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. WIND NORTH 30 KM/H GUSTING TO 50
BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. LOW 11.
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING AND AFTER MIDNIGHT. LOCAL AMOUNT 30 TO 40 MM. WIND NORTH
30 KM/H GUSTING TO 50. LOW 13.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. CLEARING LATE IN THE AFTERNOON. WIND
NORTH 20 KM/H GUSTING TO 60. HIGH 24. HUMIDEX 28. UV INDEX 6 OR
HIGH.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN
THE EVENING. LOW 9.
GANANOQUE - MALLORYTOWN.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. OTHERWISE CLEAR. LOW 13.
BROCKVILLE - PRESCOTT.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. OTHERWISE CLEAR. LOW 13.
WESTPORT - CHARLESTON LAKE.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. OTHERWISE CLEAR. LOW 13.
MERRICKVILLE-WOLFORD - KEMPTVILLE.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. OTHERWISE CLEAR. LOW 13.
OTTAWA NORTH - KANATA - ORLEANS.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. CLEARING IN THE EVENING. LOW 14.
OTTAWA SOUTH - RICHMOND - METCALFE.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. CLEARING IN THE EVENING. LOW 14.
GATINEAU.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 LATE IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
EVENING. CLEARING IN THE EVENING. WIND NORTHWEST 30 KM/H BECOMING
LIGHT EARLY IN THE EVENING. LOW 13.
PRESCOTT AND RUSSELL.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. CLEARING LATE IN THE EVENING. LOW 13.
MORRISBURG - LONG SAULT.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 THEN NORTHWEST 30 GUSTING TO 60 LATE IN THE
MORNING. HIGH 24. HUMIDEX 30. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING THEN CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN
THE EVENING. LOW 13.
CORNWALL - LANCASTER.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING SOUTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING THEN BECOMING NORTHWEST 30
GUSTING TO 50 IN THE AFTERNOON. HIGH 24. HUMIDEX 30. UV INDEX 3 OR
MODERATE.
MONDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. CLEARING NEAR MIDNIGHT. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT AFTER MIDNIGHT. LOW 13.
WINCHESTER - NEWINGTON.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING THEN CLEAR. LOW 13.
MAXVILLE - ALEXANDRIA.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 30 TO 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 LATE IN THE MORNING. HIGH 24. HUMIDEX 30. UV
INDEX 3 OR MODERATE.
MONDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. CLEARING LATE IN THE EVENING. WIND NORTHWEST 20 KM/H
BECOMING LIGHT EARLY IN THE EVENING. LOW 13.
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 TO 50 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. LOCAL AMOUNT 5 MM. WIND NORTH 20 KM/H
GUSTING TO 60. HIGH 24. HUMIDEX 29. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLEAR. LOW 14.
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.
TONIGHT..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL
AMOUNT 40 MM. LOW 17.
MONDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX 29. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. OTHERWISE CLEAR. LOW 14.
BARRY'S BAY - KILLALOE.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING AND AFTER MIDNIGHT. LOCAL AMOUNT 30 TO 40 MM. WIND NORTH
20 KM/H GUSTING TO 40. LOW 13.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. CLEARING LATE IN THE AFTERNOON. WIND
NORTH 30 KM/H GUSTING TO 50. HIGH 24. HUMIDEX 28. UV INDEX 7 OR
HIGH.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN
THE EVENING. LOW 9.
RENFREW - ARNPRIOR - CALABOGIE.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING AND AFTER MIDNIGHT. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING
NORTH 20 KM/H GUSTING TO 40 BEFORE MORNING. LOW 13.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST 30 KM/H GUSTING TO 50.
HIGH 24. HUMIDEX 27. UV INDEX 6 OR HIGH.
MONDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN
THE EVENING. LOW 11.
PETAWAWA - PEMBROKE - COBDEN.
TONIGHT..RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM LATE THIS
EVENING AND AFTER MIDNIGHT. LOCAL AMOUNT 30 TO 40 MM. WIND NORTH
30 KM/H. LOW 13.
MONDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN A MIX OF SUN AND
CLOUD WITH 40 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST 30 KM/H
GUSTING TO 50. HIGH 24. HUMIDEX 27. UV INDEX 7 OR HIGH.
MONDAY NIGHT..CLEAR. WIND WEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW 11.
REMAINDER UNCHANGED.
END
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