Does this mean roofs in the area were damaged?

Radar measures stone size, not damage. Whether a particular roof was damaged depends on stone size, wind direction, roof age and material — only an inspection settles it. This tells you where it is worth looking.

How accurate is this hail map?

Sizes come from NOAA radar, which runs about ±0.25 inches against ground truth and resolves to roughly 1 km cells. That makes it canvass-targeting quality — good enough to pick the neighbourhoods worth knocking, not a substitute for claim evidence.

How do I see this swath on a real map of Chesterfield?

A HailMate plan puts the whole state around Chesterfield on an interactive map with this swath and three years of others already on it. $79/mo, and the canvassing tools come with it.

Chesterfield, MO

Hail map for Chesterfield, MO — March 14, 2024

Name: Hail map for Chesterfield, MO — March 14, 2024
Creator: HailMate

Hail up to 2.00″ — hen egg size — was estimated within 5 miles of Chesterfield on March 14, 2024.

Roofing contractors

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The March 14, 2024 swath — and every other storm since 2023 across Missouri
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Max hail size: 2.00″; hen egg
Impact rating: 7/10; from stone size
Size bands over the city: 5; distinct radar bands
Measured on the ground: 3.00″; 10.1 mi away · Public

Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

Homeowners

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This page covers Chesterfield 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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Free, 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.

Other towns hit on March 14, 2024

O'Fallon, MO3.00″Flower Mound, TX3.00″Saint Peters, MO3.00″Keller, TX3.00″Wentzville, MO3.00″Southlake, TX3.00″Edwardsville, IL3.00″Frisco, TX2.50″Denton, TX2.50″Lewisville, TX2.50″The Trails of Frisco, TX2.50″The Colony, TX2.50″

Every Missouri city hit on March 14, 2024 →

Other hail dates for Chesterfield

June 25, 20261.00″April 27, 20261.50″April 17, 20261.25″May 19, 20251.00″May 16, 20252.50″July 30, 20241.00″June 25, 20241.00″May 26, 20242.50″April 18, 20241.00″April 1, 20242.00″September 26, 20231.00″

Every storm over Chesterfield →

What people on the ground measured in Chesterfield, MO on March 14, 2024

68 reports filed with the National Weather Service — 22 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.

3.00″ baseball size Public
2 E O'Fallon, MO · 10.1 mi away4:35 PM CDTSt. Charles County
Report from mPING: Tea Cup (3.00 in.).
3.00″ baseball size Public
1 N O'Fallon, MO · 11.9 mi away4:32 PM CDTSt. Charles County
3.00″ baseball size Public
1 N O'Fallon, MO · 12.4 mi away4:32 PM CDTSt. Charles County
Report from mPING: Tea Cup (3.00 in.).
3.00″ baseball size Public
2 N O'Fallon, MO · 12.7 mi away4:19 PM CDTSt. Charles County
Several photos of 2-3 inch hail measured with a ruler.
3.00″ baseball size NWS Employee
2 SSE Saint Paul, MO · 13.3 mi away4:20 PM CDTSt. Charles County
3.00″ baseball size Trained Spotter
Lake Saint Louis, MO · 14.0 mi away4:19 PM CDTSt. Charles County
Delayed report. Hail was approximately the size of a palm or two golf balls put together. Estimated 3-4 inches.
2.75″ baseball size NWS Employee
2 SSE Saint Paul, MO · 13.3 mi away4:23 PM CDTSt. Charles County
delayed report.
2.75″ baseball size Public
2 NE Lake Saint Louis, MO · 13.7 mi away4:18 PM CDTSt. Charles County
Report from mPING: Baseball (2.75 in.).
2.75″ baseball size Trained Spotter
Lake Saint Louis, MO · 14.0 mi away4:26 PM CDTSt. Charles County
Delayed report.
2.75″ baseball size Trained Spotter
1 SSE Saint Paul, MO · 14.7 mi away4:12 PM CDTSt. Charles County
Delayed report, time estimated from radar.
2.75″ baseball size Trained Spotter
1 N Lake Saint Louis, MO · 14.9 mi away4:12 PM CDTSt. Charles County
Delayed report.
2.50″ hen egg size Public
2 NE Lake Saint Louis, MO · 13.7 mi away4:49 PM CDTSt. Charles County
Report from mPING: Tennis Ball (2.50 in.).
2.50″ hen egg size Public
2 ENE Lake Saint Louis, MO · 13.7 mi away4:19 PM CDTSt. Charles County
2.25″ hen egg size Public
2 SW Saint Paul, MO · 14.3 mi away4:20 PM CDTSt. Charles County
Report from mPING: Hen Egg+ (2.25 in.).
2.00″ hen egg size Public
2 E O'Fallon, MO · 10.1 mi away4:22 PM CDTSt. Charles County
2.00″ hen egg size Trained Spotter
O'Fallon, MO · 10.8 mi away4:15 PM CDTSt. Charles County
Delayed report, time estimated from radar.
2.00″ hen egg size Public
4 NW Saint Peters, MO · 12.0 mi away4:32 PM CDTSt. Charles County
2.00″ hen egg size Trained Spotter
2 NNE O'Fallon, MO · 12.1 mi away4:19 PM CDTSt. Charles County
Report via social media. Time estimated by radar.
2.00″ hen egg size Public
1 NW Crestwood, MO · 12.4 mi away5:41 PM CDTSt. Louis County
Report from mPING: Hen Egg (2.00 in.).
2.00″ hen egg size Public
2 NW O'Fallon, MO · 12.5 mi away4:18 PM CDTSt. Charles County
Report from mPING: Hen Egg (2.00 in.).
2.00″ hen egg size Trained Spotter
Lake Saint Louis, MO · 14.0 mi away4:28 PM CDTSt. Charles County
Delayed report, 2 to 2.5 inch hail.
2.00″ hen egg size Public
1 SE Saint Paul, MO · 14.4 mi away4:57 PM CDTSt. Charles County
Report from mPING: Hen Egg (2.00 in.).
2.00″ hen egg size Trained Spotter
1 SSE Saint Paul, MO · 14.7 mi away6:15 PM CDTSt. Charles County
1.75″ golf ball size Trained Spotter
2 NNW Cottleville, MO · 9.5 mi away4:20 PM CDTSt. Charles County
Delayed report.
1.75″ golf ball size NWS Employee
2 E O'Fallon, MO · 10.1 mi away4:19 PM CDTSt. Charles County
Delayed report, time estimated from radar.
1.75″ golf ball size Public
1 E O'Fallon, MO · 10.4 mi away4:18 PM CDTSt. Charles County
Report from mPING: Golf Ball (1.75 in.).
1.75″ golf ball size Public
1 N Sunset Hills, MO · 11.5 mi away5:46 PM CDTSt. Louis County
Report from mPING: Golf Ball (1.75 in.).
1.75″ golf ball size Public
1 N Murphy, MO · 11.8 mi away5:55 PM CDTSt. Louis County
1.75″ golf ball size Trained Spotter
1 N O'Fallon, MO · 11.9 mi away4:16 PM CDTSt. Charles County
Delayed report.
1.75″ golf ball size Public
3 NE O'Fallon, MO · 11.9 mi away4:19 PM CDTSt. Charles County
Report from mPING: Golf Ball (1.75 in.).
1.75″ golf ball size Public
3 NE O'Fallon, MO · 11.9 mi away4:17 PM CDTSt. Charles County
Report from mPING: Golf Ball (1.75 in.).
1.75″ golf ball size Public
1 N O'Fallon, MO · 12.4 mi away4:19 PM CDTSt. Charles County
Report from mPING: Golf Ball (1.75 in.).
1.75″ golf ball size Trained Spotter
3 ESE Kampville, MO · 12.4 mi away4:28 PM CDTSt. Charles County
Delayed report, golfball sized hail in New Town St. Charles.
1.75″ golf ball size Trained Spotter
Crestwood, MO · 12.8 mi away5:39 PM CDTSt. Louis County
1.75″ golf ball size Broadcast Media
2 ESE Saint Paul, MO · 13.9 mi away4:24 PM CDTSt. Charles County
Video sent via social media.
1.75″ golf ball size Public
2 SW Saint Paul, MO · 14.3 mi away4:19 PM CDTSt. Charles County
Report from mPING: Golf Ball (1.75 in.).
1.50″ half dollar size Amateur Radio
3 SSE Valley Park, MO · 10.0 mi away5:30 PM CDTSt. Louis County
1.50″ half dollar size Public
1 SW Webster Groves, MO · 12.6 mi away5:15 PM CDTSt. Louis County
1.50″ half dollar size Public
Crestwood, MO · 12.8 mi away5:48 PM CDTSt. Louis County
1.50″ half dollar size Trained Spotter
Crestwood, MO · 12.8 mi away5:35 PM CDTSt. Louis County
Delayed report.
1.50″ half dollar size Public
2 WNW O'Fallon, MO · 12.9 mi away4:20 PM CDTSt. Charles County
1.50″ half dollar size Public
High Ridge, MO · 14.2 mi away5:23 PM CDTJefferson County
Report from mPING: Ping Pong Ball (1.50 in.).
1.25″ half dollar size Public
2 SW Fenton, MO · 11.2 mi away6:12 PM CDTSt. Louis County
Report from mPING: Half Dollar (1.25 in.).
1.25″ half dollar size Public
1 N O'Fallon, MO · 12.4 mi away4:18 PM CDTSt. Charles County
Report from mPING: Half Dollar (1.25 in.).
1.25″ half dollar size Trained Spotter
1 SE Crestwood, MO · 13.7 mi away5:35 PM CDTSt. Louis County
Delayed report.
1.25″ half dollar size Public
2 SE Sunset Hills, MO · 14.1 mi away5:46 PM CDTSt. Louis County
Report from mPING: Half Dollar (1.25 in.).
1.25″ half dollar size Public
2 SW Saint Paul, MO · 14.3 mi away4:16 PM CDTSt. Charles County
Report from mPING: Half Dollar (1.25 in.).
1.25″ half dollar size Public
2 S Crestwood, MO · 14.5 mi away5:44 PM CDTSt. Louis County
Report from mPING: Half Dollar (1.25 in.).
1.25″ half dollar size Emergency Mngr
1 SSW High Ridge, MO · 14.8 mi away5:17 PM CDTJefferson County
1.00″ quarter size Trained Spotter
1 NW Saint Charles, MO · 9.8 mi away4:22 PM CDTSt. Charles County
hail near st charles west high school, around the size of a quarter.
1.00″ quarter size Public
3 NNE Saint Peters, MO · 10.1 mi away4:29 PM CDTSt. Charles County
Report via social media.
1.00″ quarter size Public
2 E Saint Charles, MO · 10.2 mi away4:28 PM CDTSt. Charles County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
4 NW Saint Peters, MO · 12.0 mi away4:21 PM CDTSt. Charles County
1.00″ quarter size Trained Spotter
4 NNW Saint Peters, MO · 12.0 mi away4:20 PM CDTSt. Charles County
Delayed report, time estimated from radar.
1.00″ quarter size Public
1 NE Sunset Hills, MO · 12.4 mi away5:31 PM CDTSt. Louis County
1.00″ quarter size Public
1 NW Crestwood, MO · 12.4 mi away5:42 PM CDTSt. Louis County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
1 W Murphy, MO · 12.6 mi away7:16 PM CDTJefferson County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
2 S Lake Saint Louis, MO · 12.8 mi away4:13 PM CDTSt. Charles County
Delayed report.
1.00″ quarter size Public
2 SSE Fenton, MO · 12.9 mi away4:31 PM CDTSt. Louis County
Photo on facebook shows several stones next to a quarter. Time estimated from radar.
1.00″ quarter size Public
Crestwood, MO · 13.2 mi away5:35 PM CDTSt. Louis County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Trained Spotter
1 SE Sunset Hills, MO · 13.3 mi away5:27 PM CDTSt. Louis County
Delayed report, quarter sized hail at 270 and Gravois Road in St. Louis City.
1.00″ quarter size Public
1 SW Webster Groves, MO · 13.4 mi away5:42 PM CDTSt. Louis County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
1 SW Webster Groves, MO · 13.4 mi away5:39 PM CDTSt. Louis County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
1 S Crestwood, MO · 13.6 mi away5:37 PM CDTSt. Louis County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
2 NE Lake Saint Louis, MO · 13.7 mi away4:13 PM CDTSt. Charles County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Trained Spotter
1 SSE Crestwood, MO · 14.1 mi away5:40 PM CDTSt. Louis County
Delayed report.
1.00″ quarter size Public
2 SW Saint Paul, MO · 14.3 mi away4:11 PM CDTSt. Charles County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
1 E High Ridge, MO · 14.3 mi away5:22 PM CDTJefferson County
Report from mPING: Quarter (1.00 in.).

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.

Buyer's guides

Shopping for a hail app to work Chesterfield, MO?

This page is one storm. If you are deciding which tool to work Chesterfield, MO with all season, these compare the ones roofers actually buy — with every price taken from the vendor's own site and linked.

FAQ

Chesterfield hail on March 14, 2024

Hail up to 2.00 inches — hen egg size — was estimated within about 5 miles of Chesterfield that day, across 5 distinct size bands. Sizes vary street to street inside a single swath.

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