North Dakota

Storm History: Mountrail County, North Dakota

458 episodes, 630 events since 1952

Every storm the National Weather Service has filed in Mountrail County, North Dakota: 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
630
Deaths
1
Injuries
3
Damage
$19 million
Episodes
458

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 Mountrail 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
Hail22600$1.7 million
Tornado11502$2.2 million
Blizzard4801$13 million
High Wind4800$135,000
Winter Storm3000
Thunderstorm Wind2900$30,000
Flash Flood2700$746,000
Extreme Cold/Wind Chill2400
Drought2300
Heavy Snow2000
Cold/Wind Chill900
Flood900$916,000
Funnel Cloud600
Dust Storm500
Heavy Rain200
Winter Weather200
Dense Fog210$175,000
Lightning100$10,000
Ice Storm100
Excessive Heat100
Wildfire100
Dense Smoke100

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 Mountrail County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Mountrail CountyEvery warning in Mountrail County since 1986Every county in North Dakota

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.