Hail map — May 15, 2026
NOAA radar detected hail of an inch or more over 2 cities across 2 states on May 15, 2026. The largest stones — 1.50″, half dollar size — fell over Mason City, IA.
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- States hit
- 2
- Cities hit
- 2
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- 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 May 15, 2026
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on May 15, 2026
What people on the ground measured in the US on May 15, 2026
15 reports filed with the National Weather Service — 4 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.
- 2.50″ hen egg size PublicKanawha, IA7:22 PM CDTHancock County
Hail ranged from 2.25 to 2.5. Time estimated by radar.
- 2.50″ hen egg size PublicGoodell, IA7:45 PM CDTHancock County
Time estimated by radar.
- 2.00″ hen egg size PublicAnthon, IA6:22 PM CDTWoodbury County
2 inch hail was reported via social media along with damage to lights fixtures and trees.
- 2.00″ hen egg size PublicKanawha, IA7:25 PM CDTHancock County
Windows broken on car. Time estimated by radar.
- 2.00″ hen egg size Public3 S Woden, IA7:34 PM CDTHancock County
Report from mPING.
- 2.00″ hen egg size Trained Spotter2 WNW Meservey, IA8:05 PM CDTHancock County
Corrects previous hail report from 2 WNW Meservey. Updated to included windows on house broken.
- 1.75″ golf ball size Emergency MngrRingsted, IA6:03 PM CDTEmmet County
- 1.75″ golf ball size Law EnforcementBancroft, IA6:24 PM CDTKossuth County
- 1.75″ golf ball size Public4 NW Thornton, IA8:39 PM CDTCerro Gordo County
- 1.50″ half dollar size Trained Spotter5 SSE Holstein, IA7:57 PM CDTIda County
Spotter reported ping pong ball size hail.
- 1.50″ half dollar size Trained Spotter2 WNW Meservey, IA8:05 PM CDTHancock County
- 1.50″ half dollar size PublicGarner, IA8:18 PM CDTHancock County
Report from mPING: Ping Pong Ball (1.50 in.).
- 1.50″ half dollar size Public4 S Humboldt, IA8:45 PM CDTHumboldt County
Report from mPING.
- 1.25″ half dollar size Public2 NNW Greenville, IA7:30 PM CDTClay County
Report from social media.
- 1.25″ half dollar size Public6 N Battle Creek, IA7:48 PM CDTIda County
Report from mPING: Half Dollar (1.25 in.).
Showing the 15 largest of 53 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 May 15, 2026
NOAA radar put hail of an inch or more over 2 cities across 2 states on May 15, 2026. The largest stones — 1.50 inches, half dollar size — were over Mason City, IA. Every state hit is listed on this page, and every city under it.