Hail map for Denison, TX — September 21, 2025
NOAA radar detected hail up to 2.00″ — hen egg size — within 5 miles of Denison on September 21, 2025.
- Max hail size
- 2.00″
- hen egg
- Impact rating
- 7/10
- from stone size
- Size bands over the city
- 3
- distinct radar bands
- Measured on the ground
- 2.50″
- 12.8 mi away · Trained Spotter
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
Work Denison on the live hail map
- The whole state around Denison, with this swath already on it
- Three years of hail swaths, filterable by stone size
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Did hail hit your address?
This page covers Denison 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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What people on the ground measured in Denison, TX on September 21, 2025
5 reports filed with the National Weather Service — 1 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 Trained SpotterLuella, TX · 12.8 mi away5:30 PM CDTGrayson County
Photo received of measured 2.5 inch hail. Time estimated.
- 1.50″ half dollar size Public1 SE Knollwood, TX · 6.7 mi away5:21 PM CDTGrayson County
Report from mPING.
- 1.50″ half dollar size Public2 SE Sherman, TX · 11.2 mi away5:35 PM CDTGrayson County
Report from mPING: Ping Pong Ball (1.50 in.).
- 1.25″ half dollar size Amateur Radio2 SSE Knollwood, TX · 7.8 mi away5:23 PM CDTGrayson County
- 1.00″ quarter size Public1 E Luella, TX · 12.8 mi away5:39 PM CDTGrayson County
Report from mPING.
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.
Denison hail on September 21, 2025
NOAA radar estimated stones up to 2.00 inches — hen egg size — within about 5 miles of Denison that day, across 3 distinct size bands. Sizes vary street to street inside a single swath.