Hail map for O'Fallon, IL — April 2, 2025
Hail up to 1.25″ — half dollar size — was estimated within 5 miles of O'Fallon on April 2, 2025.
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- The April 2, 2025 swath — and every other storm since 2023 across Illinois
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- Max hail size
- 1.25″
- half dollar
- Impact rating
- 4/10
- from stone size
- Size bands over the city
- 2
- distinct radar bands
- Measured on the ground
- 1.75″
- 2.0 mi away · Public
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
Did hail hit your address?
This page covers O'Fallon 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.
Check my addressFree, and no account needed to look it up. If hail did hit, you'll have the date and the stone size in writing — which is the first thing an adjuster asks for.
What people on the ground measured in O'Fallon, IL on April 2, 2025
3 reports filed with the National Weather Service — 1 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.
- 1.75″ golf ball size Public2 N O'Fallon, IL · 2.0 mi away4:44 PM CDTSt. Clair County
Report from mPING: Golf Ball (1.75 in.).
- 1.25″ half dollar size Public1 W Fairview Heights, IL · 6.5 mi away4:38 PM CDTSt. Clair County
Report from mPING: Half Dollar (1.25 in.).
- 0.70″ penny size Trained SpotterSaint Jacob, IL · 11.7 mi away4:55 PM CDTMadison County
These are verified ground reports, updated 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.
Shopping for a hail app to work O'Fallon, IL?
This page is one storm. If you are deciding which tool to work O'Fallon, IL 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.
O'Fallon hail on April 2, 2025
Hail up to 1.25 inches — half dollar size — was estimated within about 5 miles of O'Fallon that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.