Hail map — August 18, 2025
NOAA radar detected hail of an inch or more over 10 cities across 5 states on August 18, 2025. The largest stones — 2.00″, hen egg size — fell over Rapid City, SD.
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- The August 18, 2025 swath — and every other storm since 2023 across your state
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- States hit
- 5
- Cities hit
- 10
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- from stone size
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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States hit on August 18, 2025
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on August 18, 2025
What people on the ground measured in the US on August 18, 2025
15 reports filed with the National Weather Service — 6 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 3.25″ baseball size Co-Op Observer1 ESE Pactola Res, SD3:55 PM CDTPennington County
- 3.00″ baseball size Trained Spotter2 NE Silver City, SD3:40 PM CDTPennington County
Measured 2 to 3 inch hail stones.
- 2.50″ hen egg size NWS Employee1 N Hisega, SD4:10 PM CDTPennington County
Rear window of vehicle has several holes in it.
- 1.75″ golf ball size Law EnforcementShelby, NE3:10 AM CDTPolk County
Call received from Dispatch at 310 AM and hail was ongoing at the time.
- 1.75″ golf ball size CO-OP Observer2 S Gate, OK4:26 PM CDTBeaver County
- 1.50″ half dollar size PublicJohnson Siding, SD4:00 PM CDTPennington County
mPING report
- 1.50″ half dollar size Public7 ESE Hermosa, SD5:26 PM CDTCuster County
- 1.50″ half dollar size Trained Spotter3 E Codell, KS5:30 PM CDTRooks County
- 1.25″ half dollar size Public8 SW Spring, TX8:08 PM CDTHarris County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public2 NW Bellaire, TX8:36 PM CDTHarris County
Report from mPING: Half Dollar (1.25 in.).
- 1.00″ quarter size CO-OP Observer3 NE Shelby, NE3:11 AM CDTPolk County
nickel to quarter size hail. time estimated from radar.
- 1.00″ quarter size Trained Spotter1 NNW Nemo, SD3:15 PM CDTLawrence County
1/2 inch to 1 inch hail
- 1.00″ quarter size Public5 SW Dwtn Rapid City, SD4:27 PM CDTPennington County
mPING report
- 1.00″ quarter size NWS Employee4 S Dwtn Rapid City, SD4:37 PM CDTPennington County
mPING report
- 1.00″ quarter size Trained Spotter6 NNE Vona, CO4:33 PM MDTKit Carson County
Trained spotter reported hail ranging in size from pea to quarters in size.
Showing the 15 largest of 22 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 August 18, 2025
NOAA radar put hail of an inch or more over 10 cities across 5 states on August 18, 2025. The largest stones — 2.00 inches, hen egg size — were over Rapid City, SD. Every state hit is listed on this page, and every city under it.