Montana

Storm History: Beaverhead County, Montana

232 episodes, 411 events since 1957

Every storm the National Weather Service has filed in Beaverhead 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
411
Deaths
0
Injuries
24
Damage
$3.5 million
Episodes
232

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 Beaverhead 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
Thunderstorm Wind8900
Hail6600
Heavy Snow6000
Winter Storm4501$300,000
High Wind4200
Wildfire26018$30,000
Tornado1900$3.1 million
Flood1800$100,000
Blizzard1700
Extreme Cold/Wind Chill1300
Flash Flood605
Winter Weather500
Avalanche300
Funnel Cloud100
Heavy Rain100

The deadliest

None recorded.

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.

The strongest tornadoes

Every tornado in Beaverhead County, with its track

Every episode, newest first

More

Tornadoes in Beaverhead CountyEvery warning in Beaverhead 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.