Wisconsin hail map — April 18, 2025
NOAA radar detected hail of an inch or more over 2 Wisconsin cities on April 18, 2025. The largest stones — 1.50″, half dollar size — fell over Fitchburg.
- Cities hit
- 2
- 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 April 18, 2025
What people on the ground measured in Wisconsin on April 18, 2025
12 reports filed with the National Weather Service — 4 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.
- 2.75″ baseball size Public3 W Platteville, WI5:57 AM CDTGrant County
- 2.75″ baseball size Public4 SW Brooklyn, WI6:45 AM CDTGreen County
Measuring Baseball sized hail as of 6:45 with very gusty winds as well.
- 2.75″ baseball size NWS Employee1 W Evansville, WI7:00 AM CDTRock County
Photo sent by relative on NWS employee.
- 2.75″ baseball size Public4 W Edgerton, WI7:02 AM CDTRock County
- 2.75″ baseball size Trained SpotterEdgerton, WI7:10 AM CDTRock County
- 2.50″ hen egg size Public4 E Belmont, WI6:01 AM CDTLafayette County
Measured tennis ball size hail as of 6:00am with wind gusts measured on home weather station of 68.2mph!.
- 2.50″ hen egg size Public1 W Platteville, WI6:26 AM CDTGrant County
- 2.50″ hen egg size PublicEdgerton, WI7:08 AM CDTRock County
- 2.50″ hen egg size Trained Spotter2 E Edgerton, WI7:14 AM CDTDane County
Tennis ball sized hail falling as of 7:12 am with damage to vehicles.
- 2.25″ hen egg size Trained Spotter1 NE Albany, WI6:55 AM CDTGreen County
Relayed by WKOW. Size estimated via picture.
- 2.00″ hen egg size Public1 NW Platteville, WI5:55 AM CDTGrant County
Relayed via social media.
- 2.00″ hen egg size Public4 E Tennyson, WI5:55 AM CDTGrant County
Showing the 12 largest of 109 hail reports filed that day.
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 April 18, 2025
The full US hail map for April 18, 2025 →Other Wisconsin hail days
Wisconsin hail on April 18, 2025
NOAA radar put hail of an inch or more over 2 Wisconsin cities that day. The largest stones — 1.50 inches, half dollar size — were over Fitchburg. Every city hit is listed above with its own stone size.