Illinois hail map — June 17, 2026
NOAA radar detected hail of an inch or more over 8 Illinois cities on June 17, 2026. The largest stones — 2.00″, hen egg size — fell over Decatur.
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- The June 17, 2026 swath — and every other storm since 2023 across Illinois
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- Cities hit
- 8
- in Illinois
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- 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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What people on the ground measured in Illinois on June 17, 2026
12 reports filed with the National Weather Service — 1 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 NWS Employee3 N Cadwell, IL6:18 PM CDTMoultrie County
Photo of 3 inch diameter jagged hailstone with ruler along with corn damaged from the large hail on farmland between Lovington and Arthur.
- 3.00″ baseball size Public1 SE Arthur, IL6:25 PM CDTDouglas County
- 3.00″ baseball size Public3 N Humboldt, IL6:44 PM CDTColes County
Relayed via social media.
- 2.75″ baseball size Storm Chaser2 SW Humboldt, IL6:49 PM CDTColes County
- 2.75″ baseball size Public3 N Charleston, IL6:51 PM CDTColes County
Report from mPING: Baseball (2.75 in.).
- 2.50″ hen egg size PublicLovington, IL6:20 PM CDTMoultrie County
Wind driven tennis ball size hail put holes in siding and broke windows.
- 2.50″ hen egg size PublicHumboldt, IL6:46 PM CDTColes County
Relayed via social media.
- 2.00″ hen egg size Storm Chaser2 SE Niantic, IL5:02 PM CDTMacon County
- 2.00″ hen egg size PublicChesterville, IL6:35 PM CDTDouglas County
- 1.75″ golf ball size MesonetIlliopolis, IL4:47 PM CDTSangamon County
Golf Ball size hail.
- 1.75″ golf ball size Public1 W Illiopolis, IL4:50 PM CDTSangamon County
Report from mPING: Golf Ball (1.75 in.).
- 1.75″ golf ball size Public1 W Illiopolis, IL4:53 PM CDTSangamon County
Corrects previous hail report from 1 W Illiopolis. Report from mPING: Golf Ball (1.75 in.). Time estimated from radar.
Showing the 12 largest of 36 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 June 17, 2026
NOAA radar put hail of an inch or more over 8 Illinois cities that day. The largest stones — 2.00 inches, hen egg size — were over Decatur. Every city hit is listed above with its own stone size.