Castlegar
Region: West Kootenay

Issued: Wednesday September 17, 2025 at 15:00 PDT

Tonight Clear. Fog patches developing before morning. Low 10.
Thursday Sunny. Becoming a mix of sun and cloud in the morning. Fog patches dissipating in the morning. High 27. Humidex 29. UV index 5 or moderate.
Thursday night A few clouds. Low 11.
Friday Sunny. High 26.
Friday night Clear. Low 10.
Saturday Sunny. High 27.
Saturday night Increasing cloudiness. Low 12.
Sunday Clearing. High 21.
Sunday night Cloudy with 30 percent chance of showers. Low 7.
Monday Cloudy. High 18.
Monday night Cloudy with 30 percent chance of showers. Low 8.
Tuesday Cloudy. High 22.

Based on Environment Canada data

Creston
Region: Kootenay Lake

Issued: Wednesday September 17, 2025 at 15:00 MST

Tonight Clear. Low 13.
Thursday Sunny. Becoming a mix of sun and cloud in the morning. High 26. Humidex 28. UV index 5 or moderate.
Thursday night Partly cloudy. 40 percent chance of showers in the evening. Risk of thunderstorms over northern sections in the evening. Low 12.
Friday Sunny. High 25.
Friday night Clear. Low 12.
Saturday Sunny. High 27.
Saturday night Clear. Low 12.
Sunday Cloudy. High 20.
Sunday night Cloudy periods. Low 7.
Monday A mix of sun and cloud. High 19.
Monday night Cloudy periods. Low 8.
Tuesday A mix of sun and cloud. High 21.

Based on Environment Canada data

Nelson
Region: West Kootenay

Issued: Wednesday September 17, 2025 at 15:00 PDT

Tonight Clear. Fog patches developing before morning. Low 10.
Thursday Sunny. Becoming a mix of sun and cloud in the morning. Fog patches dissipating in the morning. High 27. Humidex 29. UV index 5 or moderate.
Thursday night A few clouds. Low 11.
Friday Sunny. High 26.
Friday night Clear. Low 10.
Saturday Sunny. High 27.
Saturday night Increasing cloudiness. Low 12.
Sunday Clearing. High 21.
Sunday night Cloudy with 30 percent chance of showers. Low 7.
Monday Cloudy. High 18.
Monday night Cloudy with 30 percent chance of showers. Low 8.
Tuesday Cloudy. High 22.

Based on Environment Canada data

Nakusp
Region: Arrow Lakes - Slocan Lake

Issued: Wednesday September 17, 2025 at 15:00 PDT

Tonight Clear. Fog patches developing before morning. Low 10.
Thursday Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers late in the afternoon. Risk of thunderstorms late in the afternoon. Fog patches dissipating in the morning. High 22. Humidex 25. UV index 5 or moderate.
Thursday night Partly cloudy. 40 percent chance of showers early in the evening with risk of thunderstorms. Low 12.
Friday Sunny. High 23.
Friday night Clear. Low 8.
Saturday Sunny. High 23.
Saturday night Cloudy periods with 60 percent chance of showers. Low 13.
Sunday Cloudy with 60 percent chance of showers. High 17.
Sunday night Cloudy with 40 percent chance of showers. Low 8.
Monday Cloudy with 60 percent chance of showers. High 16.
Monday night Cloudy with 60 percent chance of showers. Low 8.
Tuesday A mix of sun and cloud. High 20.

Based on Environment Canada data

Revelstoke
Region: West Columbia

Issued: Wednesday September 17, 2025 at 15:00 PDT

Tonight Clear. Fog patches developing overnight. Wind south 20 km/h becoming light this evening. Low 11.
Thursday Sunny early in the morning then a mix of sun and cloud with 30 percent chance of showers late in the afternoon. Risk of thunderstorms late in the afternoon. Fog patches dissipating in the morning. High 24. Humidex 26. UV index 5 or moderate.
Thursday night Partly cloudy. 30 percent chance of showers in the evening. Risk of thunderstorms early in the evening. Low 11.
Friday A mix of sun and cloud. High 25.
Friday night Clear. Low 9.
Saturday Sunny. High 23.
Saturday night Showers. Low 13.
Sunday Showers. High 16.
Sunday night Cloudy with 70 percent chance of showers. Low 9.
Monday Periods of rain. High 14.
Monday night Rain. Low 9.
Tuesday Cloudy with 60 percent chance of showers. High 17.

Based on Environment Canada data

Vernon
Region: North Okanagan - including Vernon

Issued: Wednesday September 17, 2025 at 16:00 PDT

Tonight Clear. Wind northwest 20 km/h becoming light this evening. Low 12.
Thursday Sunny. Becoming a mix of sun and cloud in the morning. Wind becoming north 20 km/h gusting to 40 near noon. High 26. Humidex 29. UV index 5 or moderate.
Thursday night Clearing late in the evening. Wind north 20 km/h gusting to 40 becoming light in the evening. Low 11.
Friday Sunny. High 26.
Friday night Clear. Low 11.
Saturday Sunny. High 26.
Saturday night Cloudy with 60 percent chance of showers. Low 12.
Sunday A mix of sun and cloud with 60 percent chance of showers. High 20.
Sunday night Cloudy periods. Low 10.
Monday A mix of sun and cloud. High 18.
Monday night Cloudy periods. Low 10.
Tuesday A mix of sun and cloud. High 21.

Based on Environment Canada data