FPCN11 CWTO 311716 AAD
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 1:15 P.M. EDT TUESDAY 31 MARCH
2026 FOR TODAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT.

DUNNVILLE - CALEDONIA - HALDIMAND.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 5 TO 10 MM.
 WIND SOUTHWEST 40 KM/H GUSTING TO 60. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..SHOWERS ENDING OVERNIGHT THEN CLOUDY. RISK OF A THUNDERSTORM
 THIS EVENING. LOCAL AMOUNT 10 TO 20 MM. WIND SOUTHWEST 40 KM/H
 GUSTING TO 60 BECOMING LIGHT LATE THIS EVENING. LOW 8.
WEDNESDAY..CLOUDY. CLEARING IN THE AFTERNOON. WIND NORTHWEST 20 KM/H
 BECOMING LIGHT LATE IN THE MORNING. HIGH 9.

BRANTFORD - COUNTY OF BRANT.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 5 TO 10 MM.
 WIND SOUTHWEST 40 KM/H GUSTING TO 60. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..SHOWERS ENDING OVERNIGHT THEN CLOUDY. RISK OF A THUNDERSTORM
 THIS EVENING. LOCAL AMOUNT 10 TO 20 MM. WIND SOUTHWEST 40 KM/H
 GUSTING TO 60 BECOMING WEST 20 THIS EVENING THEN LIGHT AFTER
 MIDNIGHT. LOW PLUS 4.
WEDNESDAY..CLOUDY. CLEARING IN THE AFTERNOON. WIND BECOMING NORTH
 30 KM/H IN THE MORNING THEN LIGHT IN THE AFTERNOON. HIGH 10.

NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 5 TO 10 MM.
 WIND SOUTHWEST 30 KM/H GUSTING TO 60. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..SHOWERS ENDING OVERNIGHT THEN CLOUDY. RISK OF A THUNDERSTORM
 THIS EVENING. LOCAL AMOUNT 10 TO 20 MM. WIND WEST 40 KM/H GUSTING TO
 60 BECOMING LIGHT LATE THIS EVENING. WIND BECOMING SOUTHWEST 20
 BEFORE MORNING. LOW 7.
WEDNESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
 WIND SOUTHWEST 20 KM/H BECOMING NORTH 20 IN THE MORNING. HIGH 8.

ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 5 TO 10 MM.
 WIND SOUTHWEST 40 KM/H. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..SHOWERS ENDING OVERNIGHT THEN CLOUDY. RISK OF A THUNDERSTORM
 THIS EVENING. LOCAL AMOUNT 10 TO 20 MM. WIND SOUTHWEST 40 KM/H
 GUSTING TO 60 BECOMING LIGHT LATE THIS EVENING. LOW 6.
WEDNESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
 WIND NORTHEAST 20 KM/H BECOMING LIGHT LATE IN THE MORNING. HIGH 9.

CITY OF HAMILTON.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 5 TO 10 MM.
 WIND SOUTH 20 KM/H BECOMING SOUTHWEST 40 GUSTING TO 60 LATE THIS
 AFTERNOON. HIGH 19. UV INDEX 2 OR LOW.
TONIGHT..SHOWERS ENDING OVERNIGHT THEN CLOUDY. RISK OF A THUNDERSTORM
 THIS EVENING. LOCAL AMOUNT 10 TO 20 MM. WIND SOUTHWEST 40 KM/H
 GUSTING TO 60 BECOMING LIGHT LATE THIS EVENING. LOW 6.
WEDNESDAY..CLOUDY. CLEARING IN THE AFTERNOON. HIGH 9.

REMAINDER UNCHANGED.

END