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.
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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.