Colorado hail map — July 31, 2025
NOAA radar detected hail of an inch or more over 2 Colorado cities on July 31, 2025. The largest stones — 1.00″, quarter size — fell over Greeley.
- Cities hit
- 2
- in Colorado
- 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.
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- All of Colorado at street level, with this storm already on it
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This page covers Colorado 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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Colorado cities hit on July 31, 2025
What people on the ground measured in Colorado on July 31, 2025
3 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.
- 1.50″ half dollar size Storm Chaser13 NNE Purcell, CO5:46 PM MDTWeld County
Report via Spotter Network.
- 1.00″ quarter size Trained Spotter1 ENE Milton Reservoir, CO4:58 PM MDTWeld County
- 1.00″ quarter size Cocorahs6 NE Nunn, CO5:20 PM MDTWeld County
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 Colorado hail days
Colorado hail on July 31, 2025
NOAA radar put hail of an inch or more over 2 Colorado cities that day. The largest stones — 1.00 inches, quarter size — were over Greeley. Every city hit is listed above with its own stone size.