Hail map for O'Fallon, MO — April 1, 2024
NOAA radar detected hail up to 1.50″ — half dollar size — within 5 miles of O'Fallon on April 1, 2024.
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- The April 1, 2024 swath — and every other storm since 2023 across Missouri
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- Max hail size
- 1.50″
- half dollar
- Impact rating
- 5/10
- from stone size
- Size bands over the city
- 2
- distinct radar bands
- Measured on the ground
- 1.75″
- 13.4 mi away · NWS Employee
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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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.
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Other towns hit on April 1, 2024
What people on the ground measured in O'Fallon, MO on April 1, 2024
8 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.
- 1.75″ golf ball size NWS Employee1 ESE Chesterfield, MO · 13.4 mi away6:21 PM CDTSt. Louis County
Numerous reports of heavy golf ball sized hail falling in Chesterfield for at least 5 minutes.
- 1.50″ half dollar size Amateur Radio1 SW Wentzville, MO · 9.2 mi away8:05 PM CDTSt. Charles County
Via Slack. quarter sized hail.
- 1.25″ half dollar size Public2 ESE Maryland Heights, MO · 14.9 mi away6:41 PM CDTSt. Louis County
Estimated from picture of large hail covering the ground.
- 1.00″ quarter size Trained Spotter2 ENE Weldon Spring, MO · 7.0 mi away6:29 PM CDTSt. Charles County
Quarter sized hail at location.
- 1.00″ quarter size Amateur Radio1 SW Wentzville, MO · 9.2 mi away8:05 PM CDTSt. Charles County
Corrects previous hail report from 1 SW Wentzville. Via Slack. quarter sized hail.
- 1.00″ quarter size Public2 SSE Harvester, MO · 9.4 mi away6:40 PM CDTSt. Charles County
Picture on Twitter of measurement. Quarter sized hail.
- 1.00″ quarter size Broadcast Media2 ESE Saint Charles, MO · 11.5 mi away6:42 PM CDTSt. Charles County
Quarter sized hail near Family Arena.
- 1.00″ quarter size Trained Spotter1 SSW Bridgeton, MO · 14.6 mi away6:53 PM CDTSt. Louis County
quarter sized hail.
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.
Shopping for a hail app to work O'Fallon, MO?
This page is one storm. If you are deciding which tool to work O'Fallon, MO 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 1, 2024
NOAA radar estimated stones up to 1.50 inches — half dollar size — within about 5 miles of O'Fallon that day, across 2 distinct size bands. Sizes vary street to street inside a single swath.