Illinois hail map — June 24, 2026
NOAA radar detected hail of an inch or more over 41 Illinois cities on June 24, 2026. The largest stones — 1.50″, half dollar size — fell over Crystal Lake.
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- Cities hit
- 41
- 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.
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Illinois cities hit on June 24, 2026
What people on the ground measured in Illinois on June 24, 2026
10 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.
- 1.50″ half dollar size Public2 E Huntley, IL5:41 PM CDTMcHenry County
Public report of 1.5 inch hail near Huntley. Relayed via mping.
- 1.00″ quarter size Public1 NE Huntley, IL5:39 PM CDTMcHenry County
- 1.00″ quarter size Trained Spotter2 NNE Byron, IL5:42 PM CDTOgle County
Quarter size hail near Byron. Relayed via amateur radio. Time estimated by radar.
- 1.00″ quarter size PublicAlgonquin, IL5:54 PM CDTMcHenry County
Multiple public reports of quarter size hail near Algonquin. Relayed via mping.
- 1.00″ quarter size Public2 SW Algonquin, IL5:55 PM CDTKane County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 S Algonquin, IL5:55 PM CDTKane County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Emergency Mngr1 SSW Lake in the Hills, IL5:57 PM CDTMcHenry County
McHenry County EMA reports quarter size hail near Randall Road and Harnish Drive.
- 1.00″ quarter size Public2 SE Algonquin, IL5:59 PM CDTKane County
Public report of quarter size hail southeast of Algonquin. Relayed via mping.
- 1.00″ quarter size Public3 N Malta, IL6:26 PM CDTDe Kalb County
Photo shared to social media shows multiple hail stones of nickel size and one stone of quarter size near Rich Road and Schafer Road. Time estimated by radar.
- 0.70″ penny size Trained Spotter2 ENE Ustick, IL5:59 PM CDTWhiteside County
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
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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.
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Illinois hail on June 24, 2026
NOAA radar put hail of an inch or more over 41 Illinois cities that day. The largest stones — 1.50 inches, half dollar size — were over Crystal Lake. Every city hit is listed above with its own stone size.