Hail map for Romeoville, IL — March 10, 2026
NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Romeoville on March 10, 2026.

- Max hail size
- 1.00″
- quarter
- Impact rating
- 3/10
- from stone size
- Size bands over the city
- 1
- distinct radar bands
- Reached the ground
- 50%
- NOAA POSH probability
- Measured on the ground
- 4.80″
- 9.4 mi away · Public
NOAA's Probability of Severe Hail peaked at 50% over Romeoville that day — moderate: severe hail likely reached the ground somewhere nearby. It is a separate model from the size estimate above: one asks how big the stones were in the storm, the other asks whether they made it down.
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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This page covers Romeoville 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.
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What people on the ground measured in Romeoville, IL on March 10, 2026
31 reports filed with the National Weather Service — 6 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.
- 4.80″ softball size PublicDarien, IL · 9.4 mi away5:47 PM CDTDuPage County
Photo shared to office email account of hailstone measuring 4.8 inches in diameter near the intersection of 75th Street and Cass Ave in Darien. Time estimated by radar.
- 4.00″ softball size NWS Employee1 S Downers Grove, IL · 9.4 mi away5:51 PM CDTDuPage County
Photo shows multiple large hail stones retrieved from near 63rd Street and Main Street in Downers Grove. Largest hail stone broke into 3 pieces during measurement, with the largest piece 4 inches in diameter. Another hail stone was 3.25 inches in diameter, and two other stones were approximately 2.5 inches in diameter. Time estimated by radar.
- 4.00″ softball size Public1 S Westmont, IL · 11.6 mi away5:53 PM CDTDuPage County
Photo shared on social media showing largest hailstones approximately 4 inches in diameter in Westmont.
- 3.75″ baseball size Public1 NW Darien, IL · 9.6 mi away5:46 PM CDTDuPage County
Photo shared to social media shows 3.75 inch hail on Washington Street in Darien. Time estimated by radar.
- 3.25″ baseball size Public2 ENE Woodridge, IL · 8.8 mi away5:42 PM CDTDuPage County
- 3.00″ baseball size PublicBolingbrook, IL · 3.8 mi away5:32 PM CDTWill County
Photo shared of hail measuring just over 3 inches in diameter in Bolingbrook. Time estimated by radar.
- 3.00″ baseball size Cocorahs2 S Woodridge, IL · 6.0 mi away5:35 PM CDTDuPage County
delayed report.
- 3.00″ baseball size Public1 SW Woodridge, IL · 6.7 mi away5:37 PM CDTDuPage County
3 inch diameter hail in southern Woodridge. Relayed via mping. Time estimated by radar.
- 3.00″ baseball size Public1 ESE Woodridge, IL · 7.7 mi away5:55 PM CDTDuPage County
Photo shared of hail measuring 3 inches in diameter near intersection of 75th Street and Interstate 355.
- 2.75″ baseball size Public1 E Woodridge, IL · 8.6 mi away5:40 PM CDTDuPage County
- 2.75″ baseball size Public2 NW Darien, IL · 9.6 mi away5:51 PM CDTDuPage County
Multiple reports of baseball size hail in southeast Downers Grove.
- 2.75″ baseball size Public1 S Westmont, IL · 10.5 mi away5:53 PM CDTDuPage County
Public report of baseball size hail in south Westmont.
- 2.50″ hen egg size Public3 WSW Bolingbrook, IL · 3.3 mi away5:33 PM CDTWill County
Hail up to tennis ball size in western Bolingbrook. Time estimated by radar.
- 2.50″ hen egg size Public2 NE Bolingbrook, IL · 5.2 mi away5:36 PM CDTWill County
- 2.50″ hen egg size Public1 W Darien, IL · 7.9 mi away5:44 PM CDTDuPage County
Damage reported to cars and roofs.
- 2.50″ hen egg size Public1 E Woodridge, IL · 8.6 mi away5:50 PM CDTDuPage County
Public report of tennis ball size hail in southwest Downers Grove.
- 1.75″ golf ball size Public4 W Bolingbrook, IL · 4.3 mi away5:31 PM CDTWill County
Public report of golf ball size hail in western Bolingbrook. Time estimated by radar.
- 1.75″ golf ball size Trained Spotter1 NNE Bolingbrook, IL · 4.4 mi away5:36 PM CDTWill County
Trained spotter reports golfball size hail in Bolingbrook.
- 1.75″ golf ball size Public1 SE Woodridge, IL · 7.5 mi away5:44 PM CDTDuPage County
Relayed via mping. Time estimated by radar.
- 1.75″ golf ball size Public1 SW Darien, IL · 8.2 mi away5:47 PM CDTDuPage County
Trained spotter reports golfball size hail in Darien.
- 1.50″ half dollar size Public2 W Bolingbrook, IL · 3.1 mi away5:34 PM CDTWill County
Relayed via mping.
- 1.50″ half dollar size Public3 NW Romeoville, IL · 3.4 mi away5:24 PM CDTWill County
Relayed via mping.
- 1.50″ half dollar size Public2 S Woodridge, IL · 6.0 mi away5:38 PM CDTDuPage County
Report from mPING.
- 1.50″ half dollar size NWS Employee2 NW Plainfield, IL · 7.4 mi away5:20 PM CDTWill County
Multiple reports of ping pong size hail in west and northwest Plainfield.
- 1.25″ half dollar size Amateur Radio2 N Plainfield, IL · 5.7 mi away5:13 PM CDTWill County
Half dollar size hail near 135th and IL-59. Relayed via amateur radio. Time estimated by radar.
- 1.25″ half dollar size Trained Spotter2 W Darien, IL · 8.2 mi away5:42 PM CDTDuPage County
Trained spotter reports quarter to half dollar size hail near 75th and Main Street in Downers Grove.
- 1.25″ half dollar size Public5 SW Plainfield, IL · 11.6 mi away5:07 PM CDTKendall County
Relayed via amateur radio. Time estimated by radar.
- 1.00″ quarter size Public1 SSE Bolingbrook, IL · 2.5 mi away5:33 PM CDTWill County
Corrects previous tstm wnd dmg report from 1 SSE Bolingbrook. Quarter size hail reported near I-55 and IL-53. Relayed via mping.
- 1.00″ quarter size NWS Employee2 NW Plainfield, IL · 7.5 mi away5:11 PM CDTWill County
NWS employee reports 1 inch diameter hail on the west side of Plainfield.
- 1.00″ quarter size PublicWoodridge, IL · 8.2 mi away5:44 PM CDTDuPage County
Photo shared on social media showed hail approximately 1 inch in diameter.
- 1.00″ quarter size Trained Spotter1 S Darien, IL · 8.4 mi away5:46 PM CDTDuPage County
Trained spotter reports quarter size hail at I-55 and Cass Avenue in Darien. 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.
Romeoville hail on March 10, 2026
NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Romeoville that day, across 1 distinct size band. Sizes vary street to street inside a single swath.