FPCN11 CWTO 231743 AAB
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 1:41 P.M. EDT SUNDAY 23 AUGUST
2026 FOR TODAY AND MONDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT.

WINDSOR - LEAMINGTON - ESSEX COUNTY.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS
 BEGINNING LATE THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND
 NORTHWEST 30 KM/H GUSTING TO 50. HIGH 23. HUMIDEX 28. UV INDEX 5 OR
 MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLEARING. RISK OF A
 THUNDERSTORM THIS EVENING. WIND NORTHWEST 30 KM/H GUSTING TO 50
 BECOMING LIGHT THIS EVENING. LOW 13.
MONDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
 BECOMING WEST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 24. HUMIDEX
 28. UV INDEX 7 OR HIGH.

CHATHAM-KENT - RONDEAU PARK.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS
 BEGINNING LATE THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND WEST
 20 KM/H GUSTING TO 40. HIGH 23. HUMIDEX 28. UV INDEX 6 OR HIGH.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY. RISK
 OF A THUNDERSTORM THIS EVENING. WIND NORTHWEST 20 KM/H BECOMING
 LIGHT LATE THIS EVENING. LOW 13.
MONDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE MORNING. WIND
 BECOMING WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 24. HUMIDEX
 28. UV INDEX 5 OR MODERATE.

SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS BEGINNING
 LATE THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND NORTHWEST 30 KM/H
 GUSTING TO 50. HIGH 23. HUMIDEX 28. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY. RISK
 OF A THUNDERSTORM THIS EVENING. WIND NORTHWEST 30 KM/H. LOW 13.
MONDAY..CLOUDY. WIND NORTHWEST 30 KM/H GUSTING TO 50. HIGH 23.
 HUMIDEX 27. UV INDEX 5 OR MODERATE.

WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS
 BEGINNING LATE THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND WEST
 30 KM/H GUSTING TO 50. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
 WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. WIND
 BECOMING SOUTHWEST 20 BEFORE MORNING. LOW 13.
MONDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. WIND
 WEST 30 KM/H GUSTING TO 50. HIGH 21. HUMIDEX 26. UV INDEX 4 OR
 MODERATE.

RODNEY - SHEDDEN - WESTERN ELGIN COUNTY.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS
 BEGINNING LATE THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND
 NORTHWEST 30 KM/H GUSTING TO 50. HIGH 21. HUMIDEX 26. UV INDEX 5 OR
 MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
 LOW 13.
MONDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. WIND
 BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 21.
 HUMIDEX 26. UV INDEX 5 OR MODERATE.

STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS BEGINNING
 LATE THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND NORTHWEST 30 KM/H
 GUSTING TO 50. HIGH 21. HUMIDEX 26. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
 WIND BECOMING WEST 20 KM/H BEFORE MORNING. LOW 12.
MONDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. WIND
 WEST 30 KM/H GUSTING TO 50. HIGH 21. HUMIDEX 26. UV INDEX 5 OR
 MODERATE.

REMAINDER UNCHANGED.

END