Hail map — April 18, 2025
NOAA radar detected hail of an inch or more over 7 cities across 5 states on April 18, 2025. The largest stones — 1.50″, half dollar size — fell over Biloxi, MS.
- States hit
- 5
- Cities hit
- 7
- 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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States hit on April 18, 2025
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
What people on the ground measured in the US on April 18, 2025
15 reports filed with the National Weather Service — 5 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 Public2 NW Waverly, IA3:51 AM CDTBremer County
Photos of baseball sized hail north of Waverly. Time is estimated from radar.
- 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 Public6 N Clarksville, IA5:07 AM CDTButler County
photos of tennis ball sized hail.
- 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 Public2 NNW Waverly, IA3:52 AM CDTBremer County
Photo posted to social media. Time estimated from radar.
- 2.00″ hen egg size Emergency Mngr1 NW Charles City, IA4:55 AM CDTFloyd County
- 2.00″ hen egg size Public1 NW Platteville, WI5:55 AM CDTGrant County
Relayed via social media.
Showing the 15 largest of 181 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 hail days
US hail on April 18, 2025
NOAA radar put hail of an inch or more over 7 cities across 5 states on April 18, 2025. The largest stones — 1.50 inches, half dollar size — were over Biloxi, MS. Every state hit is listed on this page, and every city under it.