Hail map for Butte, MT — July 31, 2025
NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Butte on July 31, 2025.
- 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
- 50%
- NOAA POSH probability
- Measured on the ground
- 0.75″
- 0.5 mi away · Emergency Mngr
NOAA's Probability of Severe Hail peaked at 50% over Butte that day — moderate: severe hail likely reached the ground somewhere nearby. 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 MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
Work Butte on the live hail map
- The whole state around Butte, with this swath already on it
- Three years of hail swaths, filterable by stone size
- GPS door-knocking, pins, jobs and estimates — the full loop, not a preview
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Did hail hit your address?
This page covers Butte 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.
Check my addressFree, and no account needed to look it up. If hail did hit, you can ask for a free inspection from a vetted local roofer.
What people on the ground measured in Butte, MT on July 31, 2025
One report 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.
- 0.75″ penny size Emergency Mngr1 NNW Butte, MT · 0.5 mi away5:31 PM MDTSilver Bow County
Silver Bow County EM reporting 0.4-0.8 inch sized hail accumulating on the ground in Butte.
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.
Butte hail on July 31, 2025
NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Butte that day, across 1 distinct size band. Sizes vary street to street inside a single swath.