Illinois hail map — March 30, 2026
NOAA radar detected hail of an inch or more over 34 Illinois cities on March 30, 2026. The largest stones — 1.50″, half dollar size — fell over Aurora.
- Cities hit
- 34
- in Illinois
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- from stone size
Sizes come from NOAA MRMS radar (MESH), 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 30, 2026
What people on the ground measured in Illinois on March 30, 2026
12 reports filed with the National Weather Service — 2 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 2.00″ hen egg size PublicBerwyn, IL11:18 PM CDTCook County
Time estimated from radar.
- 1.75″ golf ball size Public1 W Oak Brook, IL11:04 PM CDTDuPage County
Time estimated via radar.
- 1.75″ golf ball size Public1 N Hinsdale, IL11:04 PM CDTDuPage County
- 1.50″ half dollar size Public2 NNW Downers Grove, IL10:52 PM CDTDuPage County
- 1.50″ half dollar size Trained Spotter1 SSW Oak Brook, IL11:04 PM CDTDuPage County
Time estimated via radar.
- 1.25″ half dollar size Public3 SE Sugar Grove, IL10:18 PM CDTKane County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public3 NW Romeoville, IL10:26 PM CDTWill County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public1 S St. Charles, IL10:29 PM CDTKane County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public2 N West Chicago, IL10:36 PM CDTDuPage County
Video shared on social media shows hail of quarter to half dollar sized hail near the DuPage Airport. Time estimated via radar.
- 1.25″ half dollar size Public1 ENE Lisle, IL10:50 PM CDTDuPage County
Photo shared via office service account showed hail ranging from 1 to 1.25 inches in diameter.
- 1.25″ half dollar size Public1 N McCook, IL11:15 PM CDTCook County
- 1.00″ quarter size Trained Spotter1 NNE Yorkville, IL9:50 PM CDTKendall County
Photo shared to office email account showing hail measuring 1 inch in diameter.
Showing the 12 largest of 29 hail reports filed that day.
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
Illinois hail on March 30, 2026
NOAA radar put hail of an inch or more over 34 Illinois cities that day. The largest stones — 1.50 inches, half dollar size — were over Aurora. Every city hit is listed above with its own stone size.