NOAA Storm Events, 2016-2026
Hail in Montana, county by county
1,889 reported hail events across 56 countys, largest 4.00 in.
Reports
1,889
2016-2026
Counties affected
56
of all Montana counties with hail
Largest stone
4.00 in
in Valley County
Reports ≥ 2 in
194
10.3% of all reports
Reports are down 43% comparing the most recent half of the record with the earlier half. Report counts track where people look as much as where hail falls.
Counties ranked by hail reports
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| # | County | Reports | Largest | ≥ 2 in | ≥ 4 in | Most recent |
|---|---|---|---|---|---|---|
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Montana hail summary
The counties with the most reported hail in Montana are Yellowstone (186 reports), Powder River (86 reports), Valley (78 reports). The largest stones on record in this period were reported in Valley (4.00 in), Carter (4.00 in), Dawson (4.00 in).
What this does not tell you
A county is a large area and hail swaths are narrow, so a county count cannot tell you whether a particular property was hit. The methodology page sets out what this record can and cannot support.
Frequently asked questions
Which Montana county gets the most hail?
By reported events in this record, Yellowstone County leads with 186 reports, ahead of Powder River and Valley.
What is the largest hailstone recorded in Montana?
The largest reported stone in this period is 4.00 in, in Valley County. Hailstone records are reported measurements, and estimates from photographs are common.
How often does Montana get damaging hail?
10.3% of the 1,889 reported events in this period reached 2 inches or more, the size at which shingle and vehicle damage becomes likely.