FPCN11 CWTO 090845
ISSUED BY EC at 5:00 A.M. EDT WEDNESDAY 9 SEP 2026.

Niagara Falls - Welland - Southern Niagara Region

Today..cloudy with 40 percent chance of showers this morning. A few showers beginning near noon. Risk of a thunderstorm this afternoon. Local amount 10 to 20 mm. Wind becoming southwest 30 km/h gusting to 50 this morning. High 24.

Tonight..a few showers ending this evening then partly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light this evening. Low 19.

Thursday..a mix of sun and cloud. High 22.

St. Catharines - Grimsby - Northern Niagara Region

Today..cloudy with 40 percent chance of showers this morning. A few showers beginning near noon. Risk of a thunderstorm this afternoon. Local amount 10 to 20 mm. Wind becoming southwest 30 km/h gusting to 50 this morning. High 25.

Tonight..a few showers ending this evening then partly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 19.

Thursday..mainly sunny. Wind becoming west 20 km/h gusting to 40 late in the morning. High 24.

Extended 3-7 day forecast.

Past 0-2 day forecasts
Mon Sep 07 08:46 UTC
Mon Sep 07 14:45 UTC
Mon Sep 07 19:15 UTC
Tue Sep 08 08:45 UTC
Tue Sep 08 08:47 UTC
Tue Sep 08 14:45 UTC
Tue Sep 08 19:15 UTC
Wed Sep 09 06:43 UTC
Wed Sep 09 08:45 UTC (current forecast)

Past 3-7 day forecasts
Mon Sep 07 08:54 UTC
Mon Sep 07 14:20 UTC
Mon Sep 07 19:24 UTC
Tue Sep 08 08:54 UTC
Tue Sep 08 14:21 UTC
Tue Sep 08 19:24 UTC
Wed Sep 09 08:55 UTC (current forecast)