StrikeCast

Montana lightning map

Montana's summer thunderstorms build over the plains and mountains, sometimes producing dry lightning that fuels wildfire across the state.

Cities in Montana

Track lightning anywhere in Montana.

Get live distance, storm trend, and free alerts for your exact location.

Frequently asked

How many thunderstorm days does Montana get?

Montana averages about 30 thunderstorm days a year, versus a US average near 25. Activity peaks June–August.

When is thunderstorm season in Montana?

Lightning is most frequent June–August in Montana.