Montana

Storm History: Broadwater County, Montana

124 episodes, 190 events since 1970

Every storm the National Weather Service has filed in Broadwater 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
190
Deaths
1
Injuries
0
Damage
$600,000
Episodes
124

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 Broadwater 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
Hail3500$500,000
Thunderstorm Wind3200
High Wind2700
Heavy Snow2000
Winter Storm1700
Extreme Cold/Wind Chill1600
Blizzard1400
Wildfire1000
Flash Flood800
Tornado500$100,000
Flood200
Winter Weather200
Lightning110
Ice 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.

Every episode, newest first

More

Tornadoes in Broadwater CountyEvery warning in Broadwater 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.