North Dakota

Storm History: Williams County, North Dakota

425 episodes, 681 events since 1953

Every storm the National Weather Service has filed in Williams 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
681
Deaths
8
Injuries
19
Damage
$48 million
Episodes
425

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 Williams 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
Hail22200$4.4 million
Tornado17211$3.5 million
Thunderstorm Wind5300$632,000
High Wind5100$110,000
Blizzard4207$17 million
Winter Storm2822$600,000
Drought2200
Extreme Cold/Wind Chill2110
Heavy Snow2000$105,000
Flash Flood1600$639,000
Cold/Wind Chill1120
Flood700$730,000
Dust Storm500
Wildfire328$20 million
Funnel Cloud200
Ice Storm100
Lightning100
Dust Devil101
Winter Weather100
Excessive Heat100
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 Williams County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Williams CountyEvery warning in Williams 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.