Wyoming

Storm History: Park County, Wyoming

654 episodes, 987 events since 1955

Every storm the National Weather Service has filed in Park 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
987
Deaths
9
Injuries
21
Damage
$32 million
Episodes
654

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 Park 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
Winter Storm31734$1.0 million
High Wind29915$677,000
Hail6600$1.6 million
Thunderstorm Wind6500$286,000
Heavy Snow6200
Wildfire4312$2.5 million
Tornado2600$78,000
Flash Flood1900$795,000
Blizzard1700
Cold/Wind Chill1600
Extreme Cold/Wind Chill1610
Flood1200$25 million
Heat800
Avalanche721
Funnel Cloud300
Lightning319
Excessive Heat300
Heavy Rain200
Dense Fog200
Debris Flow100$275,000

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 Park County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Park CountyEvery warning in Park 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.