Montana

Storm History: Mineral County, Montana

403 episodes, 434 events since 1970

Every storm the National Weather Service has filed in Mineral County, Montana: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
434
Deaths
13
Injuries
24
Damage
$5.8 million
Episodes
403

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Mineral County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Heavy Snow16312$267,000
Winter Storm12868$86,000
Winter Weather3023$1,000
Hail1800$21,000
High Wind1801$256,000
Thunderstorm Wind1414$389,000
Blizzard1300
Ice Storm700
Extreme Cold/Wind Chill701
Frost/Freeze700
Cold/Wind Chill610
Flood600$4.7 million
Wildfire400$10,000
Tornado300
Heavy Rain200
Excessive Heat200
Avalanche200
Heat200
Flash Flood100
Dense Fog125$70,000

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Mineral CountyEvery warning in Mineral County since 1986Every county in Montana

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.