Cheyenne, WY

Hail map for Cheyenne, WY — July 31, 2025

NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Cheyenne on July 31, 2025.

Hail swath map for Cheyenne, WY on July 31, 2025 showing 1.00 inch hail.
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Max hail size
1.00″
quarter
Impact rating
3/10
from stone size
Size bands over the city
1
distinct radar bands
Reached the ground
70%
Severe-hail probability
Measured on the ground
1.75″
1.7 mi away · Public

Severe-hail probability peaked at 70% over Cheyenne that day — high: around even odds of 1″ hail reaching the ground. It is a separate model from the size estimate above: one asks how big the stones were in the storm, the other asks whether they made it down.

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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What people on the ground measured in Cheyenne, WY on July 31, 2025

10 reports filed with the National Weather Service — 1 from trained observers 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 Public
    1 N Cheyenne, WY · 1.7 mi away4:12 PM MDTLaramie County

    Report from mPING: Golf Ball (1.75 in.).

  • 1.25″ half dollar size NWS Employee
    1 WNW Cheyenne, WY · 0.9 mi away4:10 PM MDTLaramie County
  • 1.25″ half dollar size Public
    2 NE North Cheyenne, WY · 7.6 mi away4:25 PM MDTLaramie County

    Report from mPING: Half Dollar (1.25 in.).

  • 0.75″ penny size Public
    2 NW South Greeley High, WY · 1.5 mi away4:17 PM MDTLaramie County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    Warren Af Base, WY · 2.2 mi away4:16 PM MDTLaramie County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    3 NE Warren Af Base, WY · 3.5 mi away4:21 PM MDTLaramie County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    2 E Cheyenne, WY · 3.7 mi away4:14 PM MDTLaramie County

    Report from mPING: Dime (0.75 in.).

  • 0.50″ penny size Public
    1 SW Cheyenne, WY · 0.7 mi away4:10 PM MDTLaramie County

    Report from mPING: Half-inch (0.50 in.).

  • 0.50″ penny size Public
    2 NE Warren Af Base, WY · 2.8 mi away4:18 PM MDTLaramie County

    Report from mPING: Half-inch (0.50 in.).

  • 0.50″ penny size Public
    6 E Cheyenne, WY · 6.9 mi away4:21 PM MDTLaramie County

    Report from mPING: Half-inch (0.50 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.

FAQ

Cheyenne hail on July 31, 2025

NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Cheyenne that day, across 1 distinct size band. Sizes vary street to street inside a single swath.

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