Iowa hail map — October 24, 2024
NOAA radar detected hail of an inch or more over 2 Iowa cities on October 24, 2024. The largest stones — 1.75″, golf ball size — fell over Mason City.
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- Cities hit
- 2
- in Iowa
- Largest stone
- 1.75″
- golf ball size
- Impact rating
- 6/10
- 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 October 24, 2024
What people on the ground measured in Iowa on October 24, 2024
12 reports filed with the National Weather Service — 6 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.
- 1.75″ golf ball size Law Enforcement3 SSE Clear Lake, IA4:53 PM CDTCerro Gordo County
- 1.00″ quarter size Law Enforcement1 ESE Clear Lake, IA4:54 PM CDTCerro Gordo County
Via Clear Lake Police.
- 1.00″ quarter size Trained SpotterMason City, IA5:02 PM CDTCerro Gordo County
Just south of downtown.
- 1.00″ quarter size Trained Spotter2 SW Williamstown, IA8:00 PM CDTJohnson County
- 1.00″ quarter size Public1 S New Virginia, IA8:55 PM CDTWarren County
Via social media.
- 1.00″ quarter size Trained Spotter1 NW East Amana, IA9:17 PM CDTIowa County
- 1.00″ quarter size Public2 N Davenport, IA11:39 PM CDTScott County
photo of several of hailstones, some around quarter size.
- 0.88″ penny size Trained SpotterGrinnell, IA3:30 PM CDTPoweshiek County
Corrects previous hail report from Grinnell.
- 0.88″ penny size Law Enforcement4 W Mason City, IA4:59 PM CDTCerro Gordo County
At sheriffs office.
- 0.88″ penny size Trained Spotter1 NNE Mason City, IA5:02 PM CDTCerro Gordo County
- 0.88″ penny size Emergency Mngr1 SE Mason City, IA5:05 PM CDTCerro Gordo County
- 0.88″ penny size PublicMorning Sun, IA9:05 PM CDTLouisa County
Report with picture relayed via trained spotter. Time estimated from radar.
Showing the 12 largest of 36 hail reports filed that day.
These are verified ground reports, updated 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 October 24, 2024
The full US hail map for October 24, 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 October 24, 2024
NOAA radar put hail of an inch or more over 2 Iowa cities that day. The largest stones — 1.75 inches, golf ball size — were over Mason City. Every city hit is listed above with its own stone size.