Environment Canada has issued a severe thunderstorm watch for the East Kootenay region.
The alert includes south including Cranbrook and north including Invermere.
Environment Canada officials say the atmospheric conditions are favourable for thunderstorms that could produce large hail, damaging winds and torrential rainfall.
If you hear thunder it’s important to go inside right away.
According to Environment Canada officials, lightning kills around two to three Canadians every year and 180 lightning-related injuries.