Illinois hail map — September 20, 2025
NOAA radar detected hail of an inch or more over 2 Illinois cities on September 20, 2025. The largest stones — 1.00″, quarter size — fell over Springfield.
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- The September 20, 2025 swath — and every other storm since 2023 across Illinois
- GPS door-knocking — pins, photos and who you have already hit
- Jobs, contacts, estimates and invoices included
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HailTrace charges $229 for this one day, once. $79 here is all of Illinois, every day.
- Cities hit
- 2
- in Illinois
- 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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This page covers Illinois 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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Illinois cities hit on September 20, 2025
What people on the ground measured in Illinois on September 20, 2025
3 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 1.00″ quarter size PublicAtlanta, IL1:15 PM CDTLogan County
Relayed by WCIA TV Media.
- 1.00″ quarter size Public1 S Altamont, IL2:00 PM CDTEffingham County
Relayed by WCIA TV Media.
- 1.00″ quarter size Public2 S Oconee, IL3:49 PM CDTShelby County
Report from mPING: Quarter (1.00 in.).
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 September 20, 2025
The full US hail map for September 20, 2025 →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 September 20, 2025
NOAA radar put hail of an inch or more over 2 Illinois cities that day. The largest stones — 1.00 inches, quarter size — were over Springfield. Every city hit is listed above with its own stone size.