Illinois hail map — April 17, 2026
NOAA radar detected hail of an inch or more over 4 Illinois cities on April 17, 2026. The largest stones — 1.50″, half dollar size — fell over Freeport.
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- The April 17, 2026 swath — and every other storm since 2023 across Illinois
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- Cities hit
- 4
- in Illinois
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- 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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Illinois cities hit on April 17, 2026
What people on the ground measured in Illinois on April 17, 2026
12 reports filed with the National Weather Service — 3 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.
- 3.00″ baseball size Public2 W Dakota, IL4:24 PM CDTStephenson County
Report from mPING: Tea Cup (3.00 in.).
- 2.75″ baseball size PublicDakota, IL4:45 PM CDTStephenson County
report from LOT on Dakota storm.. they received a photo of baseball size hail..
- 2.25″ hen egg size Public2 NE Lake Summerset, IL4:41 PM CDTWinnebago County
Time estimated by radar. Relayed via mping.
- 2.25″ hen egg size Public1 SE Durand, IL4:44 PM CDTWinnebago County
Hen egg size hail south of Durand. Relayed via mping.
- 2.00″ hen egg size Public2 NNW Pecatonica, IL4:38 PM CDTWinnebago County
Photo shows hail estimated as approximately 2 inches in diameter near Pecatonica. Location estimated, relayed by broadcast media. Time estimated by radar.
- 2.00″ hen egg size NWS Employee2 NNE Davis, IL4:40 PM CDTStephenson County
- 2.00″ hen egg size Trained SpotterIpava, IL5:16 PM CDTFulton County
- 2.00″ hen egg size PublicToulon, IL6:25 PM CDTStark County
photo shared on social media.
- 2.00″ hen egg size Broadcast MediaToulon, IL7:29 PM CDTStark County
Hail measured just shy of 2.25 inches.
- 1.75″ golf ball size Trained Spotter1 S Rice, IL2:55 PM CDTJo Daviess County
- 1.75″ golf ball size Public2 S Galena Territory, IL2:57 PM CDTJo Daviess County
Report from mPING: Golf Ball (1.75 in.).
- 1.75″ golf ball size Public2 S Galena Territory, IL2:57 PM CDTJo Daviess County
Report from mPING: Golf Ball (1.75 in.).
Showing the 12 largest of 50 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 Illinois hail days
Shopping for a hail app to work Illinois?
This page is one storm. If you are deciding which tool to work Illinois 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.
Illinois hail on April 17, 2026
NOAA radar put hail of an inch or more over 4 Illinois cities that day. The largest stones — 1.50 inches, half dollar size — were over Freeport. Every city hit is listed above with its own stone size.