Colorado hail map — August 15, 2026
NOAA radar detected hail of an inch or more over 8 Colorado cities on August 15, 2026. The largest stones — 1.50″, half dollar size — fell over Centennial.
- Cities hit
- 8
- in Colorado
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- 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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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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What people on the ground measured in Colorado on August 15, 2026
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.
- 1.75″ golf ball size Public2 SSW Foxfield, CO2:19 PM MDTArapahoe County
Some hail of up to golf ball size.
- 1.50″ half dollar size Trained Spotter12 NE Two Buttes, CO6:02 PM MDTProwers County
Hail lasted about 15 minutes.
- 1.00″ quarter size Public4 S Rush, CO5:49 PM MDTEl Paso County
Report from mPING: Quarter (1.00 in.).
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.
Hail elsewhere on August 15, 2026
The full US hail map for August 15, 2026 →Other Colorado hail days
Colorado hail on August 15, 2026
NOAA radar put hail of an inch or more over 8 Colorado cities that day. The largest stones — 1.50 inches, half dollar size — were over Centennial. Every city hit is listed above with its own stone size.