Wyoming

Storm History: Campbell County, Wyoming

782 episodes, 1,488 events since 1953

Every storm the National Weather Service has filed in Campbell 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
1,488
Deaths
4
Injuries
48
Damage
$85 million
Episodes
782

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 Campbell 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
Hail67415$47 million
Tornado214232$26 million
Thunderstorm Wind20407$570,000
Winter Storm11800$280,000
High Wind10000$125,000
Blizzard4400$700,000
Flash Flood3613$11 million
Heavy Snow3300
Winter Weather2400
Cold/Wind Chill1500
Flood1100$58,000
Extreme Cold/Wind Chill800
Wildfire200
Funnel Cloud200
Lightning201
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.

The strongest tornadoes

Every tornado in Campbell County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Campbell CountyEvery warning in Campbell 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.