Storm Record · Columbia, Dane, Dodge, Waukesha Counties

September 20, 2022: Hail across four counties

1.5″
Largest hail
18
NWS reports

What the National Weather Service recorded

A persistent surge of warm, moist, and unstable air led to a broken line of strong to severe thunderstorms moving southeast across southern WI. Numerous reports of large hail were received along with wind damage in the Beloit area.

Source: NOAA Storm Events Database · episode 173028

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
West Sussex (1.71 NW) Waukesha Hail 1.5" hail
Lost Lake (.85 NE) Dodge Hail 1" hail
Beaver Dam (1.71 SE) Dodge Hail 1" hail
Beaver Dam Arpt Dodge Hail 1" hail
Woodland Dodge Hail 1" hail
De Forest (.5 W) Dane Hail 1" hail
Monona (1.22 SW) Dane Hail 1" hail
Leeds (1.99 SW) Columbia Hail 0.88" hail
Maple Bluff (.86 SE) Dane Hail 0.88" hail
Cottage Grove (.69 N) Dane Hail 0.88" hail
Oconomowoc (1.66 WSW) Waukesha Hail 0.88" hail
Hartland (.86 NE) Waukesha Hail 0.88" hail
Beaver Dam (.85 SW) Dodge Hail 0.75" hail
Juneau (.69 N) Dodge Hail 0.75" hail
Lodi (3.09 ESE) Columbia Hail 0.75" hail
Madison Truax Airport (1.01 W) Dane Hail 0.75" hail
North Madison (.5 W) Dane Hail 0.75" hail
Rockdale (2.13 NNE) Dane Hail 0.75" hail
Source: NOAA Storm Events Database, Wisconsin