FPCN11 CWTO 161355 AAC
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 9:55 A.M. EDT THURSDAY 16
APRIL 2026 FOR TODAY AND FRIDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.

SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.
TODAY..SHOWERS OR THUNDERSTORMS. LOCAL AMOUNT 15 TO 25 MM. WIND
 SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK
 OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING.
 LOW 7.
FRIDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND
 BECOMING SOUTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 18. UV
 INDEX 7 OR HIGH.

WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.
TODAY..SHOWERS OR THUNDERSTORMS. LOCAL AMOUNT 15 TO 25 MM. WIND
 SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING
 WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS
 EVENING. LOW 8.
FRIDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
 WIND BECOMING SOUTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 19. UV
 INDEX 5 OR MODERATE.

STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.
TODAY..SHOWERS OR THUNDERSTORMS. LOCAL AMOUNT 15 TO 25 MM. WIND
 SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 20. HUMIDEX 26. UV INDEX 3 OR
 MODERATE.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 9.
FRIDAY..CLOUDY. CLEARING EARLY IN THE AFTERNOON. WIND BECOMING SOUTH
 20 KM/H LATE IN THE AFTERNOON. HIGH 20. UV INDEX 7 OR HIGH.

LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY.
TODAY..SHOWERS OR THUNDERSTORMS. LOCAL AMOUNT 15 TO 25 MM. WIND
 SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 20. HUMIDEX 26. UV INDEX 3 OR
 MODERATE.
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING.
 LOW 8.
FRIDAY..CLOUDY. CLEARING EARLY IN THE AFTERNOON. WIND BECOMING SOUTH
 20 KM/H LATE IN THE AFTERNOON. HIGH 20. UV INDEX 7 OR HIGH.

WOODSTOCK - TILLSONBURG - OXFORD COUNTY.
TODAY..SHOWERS OR THUNDERSTORMS. LOCAL AMOUNT 15 TO 25 MM. WIND
 SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 21. HUMIDEX 26. UV INDEX 3 OR
 MODERATE.
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING.
 LOW 7.
FRIDAY..CLOUDY. CLEARING EARLY IN THE AFTERNOON. HIGH 20. UV INDEX 7
 OR HIGH.

GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM.
 WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS AFTERNOON.
 HIGH 17. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 8.
FRIDAY..MAINLY CLOUDY. HIGH 21 EXCEPT 12 NEAR LAKE HURON. UV INDEX 6
 OR HIGH.

STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM.
 WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 19. UV INDEX 3 OR
 MODERATE.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 8.
FRIDAY..CLOUDY. CLEARING NEAR NOON. HIGH 20. UV INDEX 7 OR HIGH.

REMAINDER UNCHANGED.

END