Montana · June 25, 2026

Montana hail map — June 25, 2026

NOAA radar detected hail of an inch or more over 1 Montana city on June 25, 2026. The largest stones — 1.00″, quarter size — fell over Helena.

Swath over Helena on June 25, 2026 — 1.00″ hail. Each city below has its own map for this storm.
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Cities hit
1
in Montana
Largest stone
1.00″
quarter size
Impact rating
3/10
from stone size

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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Montana cities hit on June 25, 2026

What people on the ground measured in Montana on June 25, 2026

8 reports filed with the National Weather Service — 3 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.

  • 1.50″ half dollar size Public
    13 SSE Lothair, MT4:15 PM MDTLiberty County

    Public Reported Ping Pong Ball sized hail near Tiber Dam. Time is estimated from radar.

  • 1.00″ quarter size Trained Spotter
    6 NNW Helena, MT2:09 PM MDTLewis and Clark County

    Mostly nickel sized hail with a few quarter sized mixed in.

  • 1.00″ quarter size Public
    1 N Helena, MT2:18 PM MDTLewis and Clark County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    East Helena, MT2:33 PM MDTLewis and Clark County

    A member of the public shared a photo of quarter-sized hail on social media.

  • 1.00″ quarter size Public
    7 WSW Red Lodge, MT4:14 PM MDTCarbon County

    Delayed report. Several vehicles dented in campground area.

  • 0.88″ penny size Trained Spotter
    6 NNE Helena, MT2:24 PM MDTLewis and Clark County

    Nickel sized hail.

  • 0.50″ penny size Trained Spotter
    1 E East Helena, MT2:31 PM MDTLewis and Clark County

    Half inch sized hail reported.

  • 0.50″ penny size Public
    Ronan, MT3:04 PM MDTLake County

These are verified ground reports, updated 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

Montana hail on June 25, 2026

NOAA radar put hail of an inch or more over 1 Montana city that day. The largest stones — 1.00 inches, quarter size — were over Helena. Every city hit is listed above with its own stone size.

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