Colorado hail map — August 3, 2023
NOAA radar detected hail of an inch or more over 8 Colorado cities on August 3, 2023. The largest stones — 1.50″, half dollar size — fell over Pueblo.

- 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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What people on the ground measured in Colorado on August 3, 2023
12 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.
- 1.75″ golf ball size Trained SpotterKersey, CO7:01 PM MDTWeld County
Corrects previous hail report from Kersey.
- 1.75″ golf ball size Trained SpotterKersey, CO7:10 PM MDTWeld County
- 1.50″ half dollar size Trained Spotter5 N Matheson, CO5:41 PM MDTElbert County
- 1.25″ half dollar size Public4 SW Todd Creek, CO3:29 PM MDTAdams County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Public4 N Matheson, CO5:50 PM MDTElbert County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Storm Chaser11 ENE Pawnee Buttes, CO6:15 PM MDTWeld County
- 1.25″ half dollar size Public2 ENE Greeley, CO6:44 PM MDTWeld County
- 1.20″ quarter size Public11 NNW Simla, CO5:05 PM MDTElbert County
- 1.00″ quarter size PublicThornton, CO3:33 PM MDTAdams County
- 1.00″ quarter size Public6 WSW Denver Intl Airpo, CO3:41 PM MDTDenver County
Hail size ranged from nickel to quarter size.
- 1.00″ quarter size PublicThornton, CO3:45 PM MDTAdams County
- 1.00″ quarter size Public4 N Matheson, CO5:42 PM MDTElbert County
Report from mPING: Quarter (1.00 in.).
Showing the 12 largest of 26 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 Colorado hail days
Colorado hail on August 3, 2023
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 Pueblo. Every city hit is listed above with its own stone size.