Montana

Storm History: Prairie County, Montana

352 episodes, 527 events since 1955

Every storm the National Weather Service has filed in Prairie 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
527
Deaths
0
Injuries
3
Damage
$915,000
Episodes
352

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 Prairie 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
Hail17500$363,000
Flash Flood8000$276,000
Drought4400
Tornado4100$205,000
High Wind3800$56,000
Thunderstorm Wind2700$5,000
Blizzard2500
Winter Storm2500
Flood1500
Heavy Snow1400$10,000
Extreme Cold/Wind Chill1400
Cold/Wind Chill800
Winter Weather800
Wildfire400
Ice Storm303
Heat300
Dense Fog100
Heavy Rain100
Funnel Cloud100

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 Prairie County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Prairie CountyEvery warning in Prairie 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.