Montana

Storm History: Garfield County, Montana

519 episodes, 885 events since 1965

Every storm the National Weather Service has filed in Garfield 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
885
Deaths
0
Injuries
1
Damage
$10 million
Episodes
519

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 Garfield 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
Hail30601$368,000
Flash Flood10500$4.7 million
Tornado9700$329,000
High Wind9600$499,000
Thunderstorm Wind8300$75,000
Drought4200
Winter Storm3700
Wildfire2000$3.9 million
Heavy Snow1900
Blizzard1800$240,000
Flood1700
Extreme Cold/Wind Chill1600
Winter Weather1100
Cold/Wind Chill700
Heat300
Ice Storm200
Dense Fog200
Strong Wind100$1,000
Excessive Heat100
Heavy Rain100
Dust Storm100

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.

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Garfield CountyEvery warning in Garfield 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.