Illinois hail map — March 4, 2026
NOAA radar detected hail of an inch or more over 1 Illinois city on March 4, 2026. The largest stones — 1.00″, quarter size — fell over Carbondale.
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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 March 4, 2026
What people on the ground measured in Illinois on March 4, 2026
4 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.
- 1.25″ half dollar size Public2 SE Eddyville, IL10:55 PM CSTPope County
Social media pictures show 1 to 1.25 inch hail near Eddyville.
- 0.70″ penny size Trained SpotterCarterville, IL9:25 AM CSTWilliamson County
- 0.25″ penny size Emergency MngrCarbondale, IL9:13 AM CSTJackson County
- 0.25″ penny size Emergency MngrEldorado, IL10:27 AM CSTSaline County
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 March 4, 2026
The full US hail map for March 4, 2026 →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 March 4, 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 Carbondale. Every city hit is listed above with its own stone size.