Hail map — September 4, 2025
NOAA radar detected hail of an inch or more over 3 cities across 2 states on September 4, 2025. The largest stones — 1.00″, quarter size — fell over Saint George, UT.
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- States hit
- 2
- Cities hit
- 3
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- from stone size
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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States hit on September 4, 2025
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on September 4, 2025
What people on the ground measured in the US on September 4, 2025
15 reports filed with the National Weather Service. 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 PublicKarns, TN12:35 PM CDTKnox County
Social Media photo of multiple golf ball size hail stones.
- 1.50″ half dollar size Public1 ENE Karns, TN12:35 PM CDTKnox County
- 1.25″ half dollar size Public4 W Pigeon Forge, TN2:20 AM CDTSevier County
- 1.25″ half dollar size Broadcast Media4 W Karns, TN12:30 PM CDTKnox County
Broadcast media report of half dollar size hail off of Solway Road. Similar report in Karns.
- 1.25″ half dollar size Public3 W Bradbury, TN3:35 PM CDTRoane County
- 1.00″ quarter size Public4 NE Cedar Creek, TN12:10 PM CDTGreene County
- 1.00″ quarter size Public2 WSW Karns, TN12:30 PM CDTKnox County
Nickel to quarter-sized hail near Hardin Valley area.
- 1.00″ quarter size Public3 SE Bearden, TN1:07 PM CDTKnox County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 N Tazewell, TN1:30 PM CDTClaiborne County
- 1.00″ quarter size PublicSevierville, TN1:35 PM CDTSevier County
Social media video of dime to quarter size hail, time estimated based on radar.
- 1.00″ quarter size Public5 NE Farragut, TN1:57 PM CDTKnox County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public2 NNW Bradbury, TN3:00 PM CDTRoane County
- 1.00″ quarter size PublicBlack Mountain, NC5:05 PM EDTBuncombe County
Observed along Laurel Circle.
- 0.88″ penny size Public1 SE Sevierville, TN1:40 PM CDTSevier County
- 0.75″ penny size Public5 NW Pellville, KY2:30 AM EDTDaviess County
Report from mPING: Dime (0.75 in.).
Showing the 15 largest of 22 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
US hail on September 4, 2025
NOAA radar put hail of an inch or more over 3 cities across 2 states on September 4, 2025. The largest stones — 1.00 inches, quarter size — were over Saint George, UT. Every state hit is listed on this page, and every city under it.