Illinois hail map — February 27, 2024
NOAA radar detected hail of an inch or more over 23 Illinois cities on February 27, 2024. The largest stones — 1.00″, quarter size — fell over Aurora.

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- The February 27, 2024 swath — and every other storm since 2023 across Illinois
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- Cities hit
- 23
- 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 February 27, 2024
What people on the ground measured in Illinois on February 27, 2024
12 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.
- 2.50″ hen egg size Trained Spotter1 SW Darien, IL7:54 PM CSTDuPage County
Photo shared via social media showing 2.5 inch diameter hailstone on the south side of Downers Grove. Another report of 2 inch diameter hail was also received from the area. Time estimated from radar.
- 2.00″ hen egg size PublicShabbona, IL6:37 PM CSTDe Kalb County
Photo shared via social media showing 2 inch diameter hail in Shabbona. Time estimated from radar.
- 2.00″ hen egg size Public2 ESE Woodridge, IL8:00 PM CSTDuPage County
Photo shared via social media shows hail up to hen egg size between Downers Grove and Darien. Time estimated by radar.
- 2.00″ hen egg size Emergency Mngr1 NNW Oak Forest, IL8:44 PM CSTCook County
Time estimated from radar.
- 1.75″ golf ball size Public1 WSW Geneseo, IL5:38 PM CSTHenry County
time estimated from radar.
- 1.75″ golf ball size PublicAtkinson, IL6:05 PM CSTHenry County
Delayed report via social media with pictures.
- 1.75″ golf ball size Law Enforcement3 WNW Sublette, IL6:06 PM CSTLee County
Relayed via HAM radio operator. At least golf ball sized hail.
- 1.75″ golf ball size Emergency MngrSublette, IL6:16 PM CSTLee County
Photo of estimated golf ball size hail. Time estimated.
- 1.75″ golf ball size PublicRomeoville, IL7:57 PM CSTWill County
Photo shared via broadcast media showed golf ball sized hail in north Romeoville. Time estimated by radar.
- 1.75″ golf ball size Public2 SW Darien, IL8:06 PM CSTDuPage County
Relayed via mPING. Time estimated by radar.
- 1.75″ golf ball size PublicDarien, IL8:09 PM CSTDuPage County
Relayed via mPING. Time estimated by radar.
- 1.75″ golf ball size PublicHegeswisch - Chicago, IL8:54 PM CSTCook County
Photo shared via social media showing hail in the Hegewisch community area of Chicago with the largest hailstone appearing to be roughly the size of a golf ball. Time estimated from radar.
Showing the 12 largest of 75 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 states hit on February 27, 2024
The full US hail map for February 27, 2024 →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 February 27, 2024
NOAA radar put hail of an inch or more over 23 Illinois cities that day. The largest stones — 1.00 inches, quarter size — were over Aurora. Every city hit is listed above with its own stone size.