Iowa hail map — July 31, 2024
NOAA radar detected hail of an inch or more over 5 Iowa cities on July 31, 2024. The largest stones — 2.00″, hen egg size — fell over West Des Moines.
- Cities hit
- 5
- in Iowa
- 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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- All of Iowa at street level, with this storm already on it
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This page covers Iowa as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.
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What people on the ground measured in Iowa on July 31, 2024
9 reports filed with the National Weather Service — 4 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.
- 1.25″ half dollar size ASOSDes Moines Int Airport, IA2:14 AM CDTPolk County
Mostly penny to quarter sized hail, a few up to half dollar sized.
- 1.25″ half dollar size Trained Spotter3 SSE Plano, IA10:50 AM CDTAppanoose County
- 1.00″ quarter size NWS Employee3 NE Yale, IA1:40 AM CDTGuthrie County
Quarter sized hail and winds estimated 30 to 40 mph.
- 1.00″ quarter size Trained Spotter2 ESE Waukee, IA1:53 AM CDTDallas County
Torrential rain, est S winds at 45-50mph and qtr size hail right now, 2 mi. SE of Waukee.
- 1.00″ quarter size Public2 E Urbandale, IA2:20 AM CDTPolk County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 NE Windsor Heights, IA2:34 AM CDTPolk County
- 1.00″ quarter size Public3 NE Des Moines, IA2:37 AM CDTPolk County
- 1.00″ quarter size Trained SpotterMoulton, IA11:33 AM CDTAppanoose County
- 0.88″ penny size Postal EmployeeDrakesville, IA10:10 AM CDTDavis County
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
Iowa hail on July 31, 2024
NOAA radar put hail of an inch or more over 5 Iowa cities that day. The largest stones — 2.00 inches, hen egg size — were over West Des Moines. Every city hit is listed above with its own stone size.