Iowa hail map — April 27, 2024
NOAA radar detected hail of an inch or more over 1 Iowa city on April 27, 2024. The largest stones — 1.00″, quarter size — fell over Dubuque.

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- The April 27, 2024 swath — and every other storm since 2023 across Iowa
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- Cities hit
- 1
- 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 27, 2024
What people on the ground measured in Iowa on April 27, 2024
8 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.
- 1.50″ half dollar size PublicSully, IA4:00 PM CDTJasper County
Delayed Report. Exact location not provided, only town was given.
- 1.00″ quarter size Trained SpotterSully, IA3:57 PM CDTJasper County
Quarter sized hail near Sully.
- 1.00″ quarter size Public1 NNE Julien, IA4:53 PM CDTDubuque County
Report relayed by media. Time estimated using radar.
- 1.00″ quarter size Trained SpotterVictor, IA5:22 PM CDTIowa County
Dime, Nickel, and Quarter ground covered.
- 1.00″ quarter size Public3 S Centerville, IA6:15 PM CDTAppanoose County
Via mPing report.
- 1.00″ quarter size Trained SpotterDouds/Leando, IA7:40 PM CDTVan Buren County
Also had some small tree branches down. Time estimated from radar.
- 0.75″ penny size Trained SpotterHubbard, IA5:30 PM CDTHardin County
- 0.75″ penny size PublicAmes, IA5:37 PM CDTStory County
Mixed with marble and pea size hail.
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 states hit on April 27, 2024
The full US hail map for April 27, 2024 →Other Iowa hail days
Shopping for a hail app to work Iowa?
This page is one storm. If you are deciding which tool to work Iowa with all season, these compare the ones roofers actually buy — with every price taken from the vendor's own site and linked.
- Best hail tracking apps, comparedHailMate, HailTrace, Hail Recon, HailStrike and RadarScope — every published price sourced and linked, and who each one is genuinely right for.
- HailMate vs HailTraceStreet-level NOAA swaths on a map your crew can knock, with the CRM already inside — instead of quote-only meteorologist maps billed on top of one.
- Hail map apps for roofers (and the Hail Recon alternative)Every storm on one map instead of loading dates one at a time — plus the canvassing and the whole claim, monthly, for what one state costs them a year.
- Best canvassing apps, comparedHailMate, SalesRabbit, SPOTIO, Knockio, RoofLink and Badger Maps — every published price sourced and linked, and two of them publish none.
Iowa hail on April 27, 2024
NOAA radar put hail of an inch or more over 1 Iowa city that day. The largest stones — 1.00 inches, quarter size — were over Dubuque. Every city hit is listed above with its own stone size.