Montana

Storm History: Madison County, Montana

176 episodes, 336 events since 1968

Every storm the National Weather Service has filed in Madison 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
336
Deaths
0
Injuries
8
Damage
$250,000
Episodes
176

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 Madison 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
High Wind7000
Heavy Snow6500
Winter Storm5207$200,000
Hail3701$20,000
Thunderstorm Wind3000
Blizzard1700
Wildfire1600
Extreme Cold/Wind Chill1500
Flood1400
Flash Flood700
Tornado600$30,000
Winter Weather400
Avalanche300

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

More

Tornadoes in Madison CountyEvery warning in Madison 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.