Montana

Storm History: McCone County, Montana

479 episodes, 748 events since 1954

Every storm the National Weather Service has filed in McCone 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
748
Deaths
1
Injuries
7
Damage
$12 million
Episodes
479

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 McCone 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
Hail23302$2.6 million
Flash Flood10100$5.4 million
Tornado8912$3.6 million
High Wind7900$150,000
Drought5100
Thunderstorm Wind4800$8,000
Winter Storm3200$2,000
Blizzard2200$2,000
Extreme Cold/Wind Chill1800
Heavy Snow1601
Cold/Wind Chill1500
Flood1100
Winter Weather1100
Dense Fog700
Ice Storm500
Wildfire402$100,000
Heat300
Heavy Rain200
Dust Storm100

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.

The strongest tornadoes

Every tornado in McCone County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in McCone CountyEvery warning in McCone 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.