Hail map — April 17, 2026
NOAA radar detected hail of an inch or more over 16 cities across 7 states on April 17, 2026. The largest stones — 2.00″, hen egg size — fell over Ponca City, OK.
- States hit
- 7
- Cities hit
- 16
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- 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 17, 2026
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on April 17, 2026
What people on the ground measured in the US on April 17, 2026
15 reports filed with the National Weather Service — 3 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.
- 3.25″ baseball size Trained SpotterLamont, OK6:25 PM CDTGrant County
Social media image showing a ruler measurement. Time estimated by radar.
- 3.00″ baseball size Public2 W Dakota, IL4:24 PM CDTStephenson County
Report from mPING: Tea Cup (3.00 in.).
- 3.00″ baseball size Public4 W Jet, OK4:42 PM CDTAlfalfa County
Corrects previous time from 4 W Jet. estimated size looks to be closer to 3.25 inches.
- 3.00″ baseball size Public4 W Jet, OK5:09 PM CDTAlfalfa County
estimated size looks to be closer to 3.25 inches.
- 3.00″ baseball size Fire Dept/RescueLamont, OK6:37 PM CDTGrant County
- 2.75″ baseball size PublicDakota, IL4:45 PM CDTStephenson County
report from LOT on Dakota storm.. they received a photo of baseball size hail..
- 2.75″ baseball size Storm ChaserCherokee, OK4:52 PM CDTAlfalfa County
- 2.75″ baseball size Broadcast MediaMonroe, WI5:30 PM CDTGreen County
Relayed from Broadcast Media (WISC).
- 2.75″ baseball size PublicLamont, OK6:30 PM CDTGrant County
- 2.50″ hen egg size Public3 ENE Russell, IA2:55 PM CDTLucas County
Time and location estimated from radar.
- 2.50″ hen egg size PublicToledo, IA3:10 PM CDTTama County
Time estimated from radar.
- 2.50″ hen egg size Storm ChaserTama, IA3:14 PM CDTTama County
- 2.50″ hen egg size Public1 E Lambert, OK4:53 PM CDTAlfalfa County
- 2.50″ hen egg size Emergency Mngr1 N North Enid, OK6:22 PM CDTGarfield County
- 2.50″ hen egg size Trained SpotterMarshall, OK8:16 PM CDTLogan County
Showing the 15 largest of 353 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 17, 2026
NOAA radar put hail of an inch or more over 16 cities across 7 states on April 17, 2026. The largest stones — 2.00 inches, hen egg size — were over Ponca City, OK. Every state hit is listed on this page, and every city under it.