Severe Weather History


Wyoming Tornado History: 757 Recorded Events

757

Recorded events

23

Counties affected

4

Direct deaths

$48.7M

Property damage

Wyoming tornado history: 757 recorded events across 23 counties between 1950 and 2025.

Decade by decade

Wyoming tornado history by decade

Wyoming tornado history: recorded events per decade
Wyoming tornado history: recorded events per decade

The 1990s are the busiest decade on record with 152 reported tornado events across Wyoming. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.

County ranking

Counties with the most tornado events in Wyoming

RankCountyEventsDeathsDamageSpan
#1Laramie County1281$25.4M1953–2025
#2Campbell County922$8.9M1953–2023
#3Goshen County900$6.5M1953–2024
#4Platte County500$628K1955–2023
#5Converse County470$105K1955–2025
#6Natrona County400$453K1962–2023
#7Crook County380$848K1958–2025
#8Niobrara County360$935K1950–2025
#9Big Horn County331$353K1958–2017
#10Albany County320$350K1953–2025
#11Weston County280$308K1950–2023
#12Sweetwater County260$56K1960–2025
#13Johnson County230$26K1971–2023
#14Fremont County220$628K1962–2020
#15Carbon County180$300K1958–2021
#16Park County100$78K1964–2017
#17Sheridan County100$30K1953–2004
#18Washakie County80$93K1975–2018
#19Sublette County70$21K1975–2024
#20Lincoln County60$25K1969–2001
#21Hot Springs County60$75K1985–2024
#22Uinta County40$5K1950–2002
#23Teton County30$2.5M1987–2025
Source: NOAA/NCEI Storm Events · ranked by recorded event count

Significant events

Deadliest tornado events in Wyoming

DateCountyScaleDeathsInjuries
Aug 12, 2005Campbell CountyF2213
Jun 26, 1959Big Horn CountyF211
Jul 16, 1979Laramie CountyF3140
Source: NOAA/NCEI Storm Events · dates UTC

All hazards in Wyoming · Tornado across the U.S.