Environment Canada has issued a storm warning for the Kootenays.
"Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Heavy rain can cause flash flooding and significant reductions to visibility."
Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.