Wisconsin hail map — August 24, 2023
NOAA radar detected hail of an inch or more over 10 Wisconsin cities on August 24, 2023. The largest stones — 1.50″, half dollar size — fell over Oak Creek.

- Cities hit
- 10
- in Wisconsin
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- from stone size
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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Wisconsin cities hit on August 24, 2023
What people on the ground measured in Wisconsin on August 24, 2023
7 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 1.25″ half dollar size Public2 SSW Oak Creek, WI5:15 PM CDTMilwaukee County
Twitter report of half dollar sized hail with attached photo.
- 1.00″ quarter size Public2 SE Franklin, WI5:13 PM CDTMilwaukee County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size PublicCaledonia, WI5:25 PM CDTRacine County
Size est by picture. Time est by radar.
- 1.00″ quarter size Public1 WNW Fort Atkinson, WI6:25 PM CDTJefferson County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public3 E Fort Atkinson, WI6:32 PM CDTJefferson County
Report from mPING: Quarter (1.00 in.).
- 0.75″ penny size Public3 NE New Berlin, WI4:17 PM CDTWaukesha County
Report from mPING: Dime (0.75 in.).
- 0.75″ penny size Public2 SE Franklin, WI5:10 PM CDTMilwaukee County
Report from mPING: Dime (0.75 in.).
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Other states hit on August 24, 2023
The full US hail map for August 24, 2023 →Other Wisconsin hail days
Wisconsin hail on August 24, 2023
NOAA radar put hail of an inch or more over 10 Wisconsin cities that day. The largest stones — 1.50 inches, half dollar size — were over Oak Creek. Every city hit is listed above with its own stone size.