Iowa hail map — April 17, 2026
NOAA radar detected hail of an inch or more over 2 Iowa cities on April 17, 2026. The largest stones — 1.00″, quarter size — fell over Dubuque.
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- Cities hit
- 2
- in Iowa
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- 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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Iowa cities hit on April 17, 2026
What people on the ground measured in Iowa on April 17, 2026
12 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 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
- 2.00″ hen egg size Trained SpotterToledo, IA3:16 PM CDTTama County
- 1.75″ golf ball size PublicMelbourne, IA2:39 PM CDTMarshall County
- 1.75″ golf ball size Public4 NNE Lambs Grove, IA2:50 PM CDTJasper County
Delayed report - time and location estimated from radar.
- 1.75″ golf ball size Emergency Mngr1 ESE Lambs Grove, IA2:50 PM CDTJasper County
- 1.75″ golf ball size Law Enforcement4 WNW Reasnor, IA2:51 PM CDTJasper County
Time estimated on radar.
- 1.75″ golf ball size Public1 E Russell, IA2:55 PM CDTLucas County
Delayed report - time and location estimated from radar.
- 1.75″ golf ball size Trained SpotterTama, IA3:05 PM CDTTama County
Delayed report - time estimated from radar. Spotter reports of quarter to golf ball sized hail.
- 1.75″ golf ball size Emergency MngrToledo, IA3:10 PM CDTTama County
- 1.75″ golf ball size PublicTama, IA3:15 PM CDTTama County
Delayed report - time and location estimated from radar.
Showing the 12 largest of 58 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 Iowa hail days
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Iowa hail on April 17, 2026
NOAA radar put hail of an inch or more over 2 Iowa cities that day. The largest stones — 1.00 inches, quarter size — were over Dubuque. Every city hit is listed above with its own stone size.