Storm Record · Columbia, Dane, Dodge, Jefferson, Walworth Counties

September 7, 2021: Hail across five counties

1.5″
Largest hail
21
NWS reports

What the National Weather Service recorded

A broken line of thunderstorms along a cold front moved east to southeast across southern WI with numerous reports of large hail.

Source: NOAA Storm Events Database · episode 163175

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
Doylestown (1 W) Columbia Hail 1.5" hail
Verona (2.14 WNW) Dane Hail 1.5" hail
Williams Bay (.51 W) Walworth Hail 1.5" hail Penny to ping pong sized hail.
Delavan (.69 N) Walworth Hail 1.5" hail Multiple reports of 1 to 1.5 inch diameter hail in the Delavan area.
Martinsville (2.13 WSW) Dane Hail 1" hail
Pheasant Branch (.5 W) Dane Hail 1" hail
Walworth (.69 N) Walworth Hail 1" hail
Mazomanie (1.01 W) Dane Hail 1" hail
Juneau (.69 N) Dodge Hail 1" hail
Verona (2.14 WNW) Dane Hail 1" hail
Stoughton (.51 W) Dane Hail 1" hail
Verona (1.38 N) Dane Hail 1" hail
Syene (1.67 WNW) Dane Hail 1" hail
Mc Farland (.51 W) Dane Hail 1" hail
Delavan Walworth Hail 1" hail
Elkhorn (.51 E) Walworth Hail 1" hail
Como (.86 SE) Walworth Hail 1" hail
Como (1.47 NNE) Walworth Hail 1" hail
Watertown Airport (1.66 WNW) Jefferson Hail 1" hail
Waunakee (2.13 NNW) Dane Hail 0.88" hail
Lake Geneva (.69 S) Walworth Hail 0.75" hail
Source: NOAA Storm Events Database, Wisconsin

Service areas this storm touched