Illinois · April 1, 2024

Illinois hail map — April 1, 2024

NOAA radar detected hail of an inch or more over 2 Illinois cities on April 1, 2024. The largest stones — 1.50″, half dollar size — fell over Granite City.

Hail swath map for Granite City, IL on April 1, 2024 showing 1.50 inch hail.
Swath over Granite City on April 1, 2024 — 1.50″ hail. Each city below has its own map for this storm.
Roofing contractors

Claim your live interactive hail map

Every address in Illinois at once — three years of NOAA hail swaths drawn on a map you can zoom, filter and actually work.

HailMate's canvassing map: hail swaths colour-banded by stone size, from yellow through red to purple, laid over a satellite view of a Texas territory, with hail swath and territory controls.

$79/moall of Illinois, not one storm day

  • The April 1, 2024 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
  • An alert the next time Illinois gets hit
See the hail map See a sample map first

HailTrace charges $229 for this one day, once. $79 here is all of Illinois, every day.

Cities hit
2
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.

Homeowners

Did hail hit your address?

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.

Check my address

Free, and no account needed to look it up. If hail did hit, you'll have the date and the stone size in writing — which is the first thing an adjuster asks for.

What people on the ground measured in Illinois on April 1, 2024

4 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.

  • 1.25″ half dollar size Public
    3 NW Assumption, IL6:37 PM CDTChristian County
  • 1.00″ quarter size Trained Spotter
    3 E Kankakee, IL3:14 PM CDTKankakee County

    Trained spotter reports hail east of Kankakee with most stones near pea size, but a few hail stones up to quarter size mixed in. Time estimated by radar.

  • 0.88″ penny size Amateur Radio
    1 W Bethalto, IL7:16 PM CDTMadison County

    Report of nickel sized hail and heavy rain.

  • 0.50″ penny size Public
    1 NW Long Lake, IL3:20 PM CDTLake County

    Public report of hail up to half inch diameter near Fox Lake. Time estimated by 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.

FAQ

Illinois hail on April 1, 2024

NOAA radar put hail of an inch or more over 2 Illinois cities that day. The largest stones — 1.50 inches, half dollar size — were over Granite City. Every city hit is listed above with its own stone size.

Knock the Illinois streets this storm hit

Your whole state at street level, with this swath already on the map — $79/mo, cancel anytime.

One state, everything included · from $79/mo · month-to-month, cancel anytime