Illinois hail map — March 14, 2024
NOAA radar detected hail of an inch or more over 7 Illinois cities on March 14, 2024. The largest stones — 2.00″, hen egg size — fell over Granite City.
- Cities hit
- 7
- in Illinois
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- 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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What people on the ground measured in Illinois on March 14, 2024
12 reports filed with the National Weather Service — 4 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.
- 4.00″ softball size PublicNortonville, IL4:23 PM CDTMorgan County
broadcast media posted a picture of very large hailstones ranging from 3 to 4 inches.
- 3.75″ baseball size Broadcast Media1 E Livingston, IL5:14 PM CDTMadison County
Corrects previous hail report from 1 E Livingston.
- 3.00″ baseball size Trained Spotter2 W Edwardsville, IL4:54 PM CDTMadison County
Delayed report, 3.25 inch hail on Southern Illinois University at Edwardsville.
- 3.00″ baseball size Public1 E Worden, IL5:07 PM CDTMadison County
Photo from twitter shows a spikey oblong hail stone of approximately 3 inches in diameter. Time estimated from radar.
- 3.00″ baseball size Broadcast Media1 E Livingston, IL5:14 PM CDTMadison County
- 2.75″ baseball size Emergency Mngr2 ESE New Design, IL4:48 PM CDTMonroe County
- 2.75″ baseball size Public3 E New Design, IL4:50 PM CDTMonroe County
Delayed report, baseball sized hail on Crook Road between Waterloo and Red Bud.
- 2.75″ baseball size Trained SpotterLivingston, IL5:21 PM CDTMadison County
- 2.50″ hen egg size Emergency Mngr3 S Nashville, IL6:13 PM CDTWashington County
- 2.25″ hen egg size Public2 S Hecker, IL4:59 PM CDTMonroe County
Report from mPING: Hen Egg+ (2.25 in.).
- 2.00″ hen egg size Public1 W Troy, IL4:50 PM CDTMadison County
- 2.00″ hen egg size Public2 W Edwardsville, IL4:50 PM CDTMadison County
Delayed report, two inch hail at Southern Illinois University, Edwardsville.
Showing the 12 largest of 111 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 14, 2024
NOAA radar put hail of an inch or more over 7 Illinois cities that day. The largest stones — 2.00 inches, hen egg size — were over Granite City. Every city hit is listed above with its own stone size.