Wyoming

Storm History: Crook County, Wyoming

698 episodes, 1,262 events since 1956

Every storm the National Weather Service has filed in Crook County, Wyoming: 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
1,262
Deaths
0
Injuries
10
Damage
$7.9 million
Episodes
698

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 Crook 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
Hail57206$3.0 million
Winter Storm17600$527,000
Tornado11704$1.7 million
Thunderstorm Wind10600$80,000
High Wind6000$50,000
Blizzard5800$2.0 million
Heavy Snow5200
Winter Weather4900$20,000
Flash Flood2900$6,000
Cold/Wind Chill1400
Flood1200$261,000
Extreme Cold/Wind Chill1000
Lightning300$250,000
Wildfire300
Heavy Rain100$4,000

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 Crook County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Crook CountyEvery warning in Crook County since 1986Every county in Wyoming

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.