Illinois hail map — April 13, 2026
NOAA radar detected hail of an inch or more over 1 Illinois city on April 13, 2026. The largest stones — 1.00″, quarter size — fell over Kankakee.
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- The April 13, 2026 swath — and every other storm since 2023 across Illinois
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- Cities hit
- 1
- 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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Illinois cities hit on April 13, 2026
What people on the ground measured in Illinois on April 13, 2026
2 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.
- 1.00″ quarter size Trained SpotterMarseilles, IL1:55 PM CDTLa Salle County
Spotter reports lots of pea sized hail but a few stones up to quarter size.
- 0.88″ penny size PublicKankakee, IL2:23 PM CDTKankakee County
Video shared of lots of nickel to penny sized hail. Time estimated from radar.
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 13, 2026
NOAA radar put hail of an inch or more over 1 Illinois city that day. The largest stones — 1.00 inches, quarter size — were over Kankakee. Every city hit is listed above with its own stone size.