How big was the hail on September 17, 2025?

The maximum estimated stone size anywhere in the country that day was 1.00 inches, over Lafayette, LA. Sizes vary street to street inside a single swath, so a city's figure is the largest radar estimated anywhere within about 5 miles of it.

Where does this hail data come from?

NOAA MRMS radar, specifically the Maximum Estimated Size of Hail product, ingested directly from the public NOAA archive. It runs about a quarter of an inch against ground truth, which makes it good for deciding where to look and not a substitute for an inspection.

Does this mean roofs 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. These figures tell you where it is worth looking.

How do I see the actual swath on a map?

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

United States · September 17, 2025

Hail map — September 17, 2025

Name: US hail map — September 17, 2025
Creator: HailMate

NOAA radar detected hail of an inch or more over 3 cities across 3 states on September 17, 2025. The largest stones — 1.00″, quarter size — fell over Lafayette, LA.

Hail swath map for Lafayette, LA on September 17, 2025 showing 1.00 inch hail. — Largest rendered swath of the day: Lafayette, LA — 1.00″ hail. Each city below has its own map for this storm.

States hit: 3
Cities hit: 3
Largest stone: 1.00″; quarter size
Impact rating: 3/10; from stone size

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

Roofing contractors

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HailMate's canvassing map: hail swaths colour-banded by stone size, from yellow through red to purple, laid over a satellite view of a Texas territory, with hail swath and territory controls.

Your whole state at street level, with this storm already on it
Three years of hail swaths, filterable by stone size
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Homeowners

Did hail hit your address?

This page covers your area 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 can ask for a free inspection from a vetted local roofer.

States hit on September 17, 2025

Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.

Louisiana1 city · 1.00″Alabama1 city · 1.00″Missouri1 city · 1.00″

Hardest hit on September 17, 2025

Lafayette, LA1.00″ · quarter Madison, AL1.00″ · quarter Sedalia, MO1.00″ · quarter

What people on the ground measured in the US on September 17, 2025

15 reports filed with the National Weather Service — 3 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.

2.50″ hen egg size Public
1 SE Texline, TX7:52 PM CDTDallam County
Report from mPING: Tennis Ball (2.50 in).
2.25″ hen egg size Public
1 NW Texline, TX7:45 PM CDTDallam County
Report from mPING: Hen Egg (2.25 in).
2.25″ hen egg size Public
Texline, TX7:47 PM CDTDallam County
Report from mPING: Hen Egg (2.25 in).
2.00″ hen egg size Public
4 E Branson, CO3:48 PM MDTLas Animas County
Report from mPING: Hen Egg (2.00 in.).
1.75″ golf ball size Public
2 S Sugarite Canyon Sta, NM4:55 PM MDTColfax County
Report via social media with pictures of hail.
1.75″ golf ball size Emergency Mngr
13 N Selman, OK6:08 PM CDTHarper County
Comanche County Kansas Emergency Management reported golf ball size hail along the state line. Relayed by NWS Dodge City.
1.75″ golf ball size Emergency Mngr
10 SW Buttermilk, KS6:08 PM CDTComanche County
1.75″ golf ball size Public
2 W Clayton, NM6:21 PM MDTUnion County
Report from mPING: Golf Ball (1.75 in.).
1.50″ half dollar size Public
1 W Trinidad, CO3:26 PM MDTLas Animas County
Report from mPING: Ping Pong Ball (1.50 in.).
1.50″ half dollar size Public
4 E Branson, CO3:48 PM MDTLas Animas County
Report from mPING: Ping Pong Ball (1.50 in.).
1.50″ half dollar size Public
2 W Clayton, NM6:19 PM MDTUnion County
Report from mPING: Ping Pong Ball (1.50 in.).
1.25″ half dollar size Public
3 N Branson, CO3:06 PM MDTLas Animas County
Report from mPING: Half Dollar (1.25 in.).
1.25″ half dollar size Trained Spotter
Clayton, NM6:25 PM MDTUnion County
1.00″ quarter size Public
4 N Branson, CO2:56 PM MDTLas Animas County
Report from mPING: Quarter (1.00 in.).
1.00″ quarter size Public
5 S Cole Camp, MO4:00 PM CDTBenton County
Report from mPING, Quarter size hail.

Showing the 15 largest of 31 hail reports filed that day.

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.

Other hail days

August 19, 202620 cities · 2.00″August 18, 20266 cities · 1.50″August 17, 20266 cities · 1.00″August 16, 202610 cities · 1.50″August 15, 20268 cities · 1.50″August 14, 202611 cities · 2.00″August 13, 202616 cities · 2.00″August 12, 202610 cities · 1.50″August 11, 202633 cities · 2.00″August 10, 202623 cities · 1.50″August 9, 202649 cities · 1.50″August 8, 20265 cities · 1.50″

Every state with hail on record →

FAQ

US hail on September 17, 2025

NOAA radar put hail of an inch or more over 3 cities across 3 states on September 17, 2025. The largest stones — 1.00 inches, quarter size — were over Lafayette, LA. Every state hit is listed on this page, and every city under it.

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