FPCN11 CWTO 121915
ISSUED BY EC at 3:30 P.M. EDT FRIDAY 12 JUN 2026.

Gananoque - Mallorytown

Tonight..partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind west 20 km/h gusting to 40 becoming light late this evening. Low 15.

Saturday..sunny in the morning then a mix of sun and cloud with 30 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 28.

Saturday night..partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Low 19.

Brockville - Prescott

Tonight..partly cloudy. 60 percent chance of showers early this evening with risk of a thunderstorm. Clearing this evening. Wind west 30 km/h gusting to 50 becoming light late this evening. Wind becoming southwest 20 before morning. Low 15.

Saturday..sunny in the morning then a mix of sun and cloud with 30 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind southwest 30 km/h gusting to 50. High 28.

Saturday night..partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light in the evening. Low 19.

Westport - Charleston Lake

Tonight..partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind west 30 km/h gusting to 60 becoming light this evening. Wind becoming west 20 before morning. Low 15.

Saturday..sunny in the morning then a mix of sun and cloud with 30 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind southwest 30 km/h gusting to 50 becoming northwest 30 gusting to 50 in the afternoon. High 28.

Saturday night..partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h becoming light in the evening. Low 19.

Merrickville-Wolford - Kemptville

Tonight..partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind southwest 30 km/h gusting to 60 becoming light this evening. Low 15.

Saturday..sunny in the morning then a mix of sun and cloud with 30 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind becoming west 30 km/h gusting to 50 in the morning. High 28.

Saturday night..partly cloudy with 30 percent chance of showers and risk of a thunderstorm. Low 16.

Extended 3-7 day forecast.

Past 0-2 day forecasts
Wed Jun 10 14:45 UTC
Wed Jun 10 19:15 UTC
Thu Jun 11 08:45 UTC
Thu Jun 11 14:47 UTC
Thu Jun 11 19:27 UTC
Fri Jun 12 08:45 UTC
Fri Jun 12 14:45 UTC
Fri Jun 12 19:15 UTC (current forecast)

Past 3-7 day forecasts
Wed Jun 10 14:38 UTC
Wed Jun 10 18:56 UTC
Thu Jun 11 08:55 UTC
Thu Jun 11 14:20 UTC
Thu Jun 11 19:24 UTC
Fri Jun 12 08:55 UTC
Fri Jun 12 14:20 UTC
Fri Jun 12 19:24 UTC (current forecast)