Hail map for Romeoville, IL — March 30, 2026
NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Romeoville on March 30, 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
- 1.75″
- 13.9 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.
Work Romeoville on the live hail map
- The whole state around Romeoville, with this swath already on it
- Three years of hail swaths, filterable by stone size
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Did hail hit your address?
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 30, 2026
13 reports filed with the National Weather Service — 7 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.
- 1.75″ golf ball size Public1 N Hinsdale, IL · 13.9 mi away11:04 PM CDTDuPage County
- 1.75″ golf ball size Public1 W Oak Brook, IL · 14.7 mi away11:04 PM CDTDuPage County
Time estimated via radar.
- 1.50″ half dollar size Public2 NNW Downers Grove, IL · 12.4 mi away10:52 PM CDTDuPage County
- 1.50″ half dollar size Trained Spotter1 SSW Oak Brook, IL · 13.7 mi away11:04 PM CDTDuPage County
Time estimated via radar.
- 1.25″ half dollar size Public3 NW Romeoville, IL · 3.4 mi away10:26 PM CDTWill County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public1 ENE Lisle, IL · 11.4 mi away10:50 PM CDTDuPage County
Photo shared via office service account showed hail ranging from 1 to 1.25 inches in diameter.
- 1.00″ quarter size Emergency Mngr1 NNE Romeoville, IL · 0.2 mi away10:26 PM CDTWill County
Time estimated from radar.
- 1.00″ quarter size Trained Spotter2 SSE Naperville, IL · 7.4 mi away10:23 PM CDTDuPage County
Time estimated via radar.
- 1.00″ quarter size Public5 NNW Plainfield, IL · 7.4 mi away10:22 PM CDTWill County
Time estimated via radar.
- 1.00″ quarter size Trained Spotter4 NE Aurora, IL · 13.2 mi away10:12 PM CDTDuPage County
Time estimated via radar.
- 1.00″ quarter size Emergency MngrBoulder Hill, IL · 13.7 mi away10:15 PM CDTKendall County
Time estimated from radar.
- 1.00″ quarter size Trained SpotterAurora, IL · 13.8 mi away10:12 PM CDTKane County
Corrects the time previous hail report from Aurora. Report of nickel to quarter sized hail in Aurora. Time estimated via radar.
- 1.00″ quarter size Emergency Mngr1 S Oak Brook, IL · 13.9 mi away11:00 PM CDTDuPage County
Report relayed via EM. Time estimated from 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 30, 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.