StrikeCast

Wisconsin lightning map

Wisconsin sits in the upper-Midwest storm belt, with frequent summer thunderstorm complexes shaped by lake breezes and passing fronts.

Cities in Wisconsin

Track lightning anywhere in Wisconsin.

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

Frequently asked

How many thunderstorm days does Wisconsin get?

Wisconsin averages about 40 thunderstorm days a year, versus a US average near 25. Activity peaks May–August.

When is thunderstorm season in Wisconsin?

Lightning is most frequent May–August in Wisconsin.