Wisconsin hail map — September 22, 2025
NOAA radar detected hail of an inch or more over 4 Wisconsin cities on September 22, 2025. The largest stones — 1.00″, quarter size — fell over Waukesha.
- Cities hit
- 4
- in Wisconsin
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- 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 September 22, 2025
What people on the ground measured in Wisconsin on September 22, 2025
11 reports filed with the National Weather Service — 2 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 2.00″ hen egg size Storm Chaser2 S Montfort, WI6:08 PM CDTGrant County
- 2.00″ hen egg size Storm Chaser5 WSW Cobb, WI6:13 PM CDTIowa County
Estimated was hit by up to 2 inch hail while driving.
- 1.00″ quarter size Law EnforcementDe Soto, WI2:52 PM CDTVernon County
- 1.00″ quarter size Emergency Mngr1 N Montfort, WI6:29 PM CDTGrant County
Report relayed via NWS Chat.
- 1.00″ quarter size Public4 NW Reeseville, WI7:02 PM CDTDodge County
Public report of 1 inch diameter hail near Reeseville. Time confirmed via radar.
- 0.75″ penny size Emergency MngrVictory, WI2:39 PM CDTVernon County
- 0.75″ penny size Public1 NE Lowell, WI7:23 PM CDTDodge County
Maybe slightly larger than penny.
- 0.75″ penny size Public2 W New Berlin, WI9:22 PM CDTWaukesha County
Report from mPING: Dime (0.75 in.).
- 0.75″ penny size Public1 W Hales Corners, WI9:38 PM CDTWaukesha County
Report from mPING: Dime (0.75 in.).
- 0.75″ penny size Public1 NW Franklin, WI9:42 PM CDTMilwaukee County
Report from mPING: Dime (0.75 in.).
- 0.70″ penny size PublicNashotah, WI8:43 PM CDTWaukesha County
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 September 22, 2025
The full US hail map for September 22, 2025 →Other Wisconsin hail days
Wisconsin hail on September 22, 2025
NOAA radar put hail of an inch or more over 4 Wisconsin cities that day. The largest stones — 1.00 inches, quarter size — were over Waukesha. Every city hit is listed above with its own stone size.