Wyoming Storm & Severe Weather History
Since 1996, Wyoming has logged 24,372 severe-weather events — about 786 a year — with 92 direct deaths, 374 injuries and $287.6M in reported property damage.
By event type
High Wind8,7062 d$4.7M
Hail4,248—$129.0M
Winter Storm4,0396 d$6.3M
Thunderstorm Wind2,2111 d$4.7M
Heavy Snow1,4983 d$28K
Winter Weather1,0663 d$4.8M
Blizzard4512 d$9.0M
Extreme Cold/Wind Chill3971 d—
Flash Flood3735 d$21.9M
Tornado3202 d$7.1M
Cold/Wind Chill1941 d$50K
Flood1931 d$45.4M
Funnel Cloud169——
Wildfire1652 d$52.2M
Avalanche9152 d$15K
Heat75——
Events by year
19962026
Notable events (91)
Events with deaths, major damage, or a strong tornado — deadliest first.
Flash FloodJuly 19, 2011
Carbon · 4 killed · 2 injured ·
AvalancheFebruary 27, 2009
Teton & Gros Ventre Mountains · 3 killed ·
AvalancheJanuary 12, 2008
Salt River & Wyoming Ranges · 3 killed ·
Tornado (F2)August 12, 2005
Campbell · 2 killed · 13 injured · $5.0M damage
AvalancheJanuary 24, 2016
Teton & Gros Ventre Mountains · 2 killed ·
AvalancheMay 17, 2015
Teton & Gros Ventre Mountains · 2 killed · 1 injured ·
AvalancheMarch 7, 2012
Teton & Gros Ventre Mountains · 2 killed ·
AvalancheApril 16, 2011
Teton & Gros Ventre Mountains · 2 killed ·
Winter StormOctober 29, 2003
Southeast Johnson County · 2 killed ·
LightningJuly 24, 1999
Albany · 2 killed ·
WildfireNovember 15, 2021
Cody Foothills · 1 killed · $2.0M damage
Winter StormDecember 8, 1997
Laramie Range · 1 killed · 5 injured · $25K damage
Cold/Wind ChillFebruary 1, 1996
Buffalo Foothills · 1 killed · $25K damage
Winter WeatherMarch 5, 1999
Laramie Range / Se Albany / W Laramie · 1 killed · $20K damage
Winter StormDecember 3, 1999
Laramie Valley · 1 killed · 1 injured · $15K damage
Winter StormOctober 12, 1997
North Carbon · 1 killed · $15K damage
Winter WeatherDecember 26, 1998
Cheyenne Foothills / C Laramie · 1 killed · 1 injured · $12K damage
FloodFebruary 21, 2017
Fremont · 1 killed · $10K damage
Heavy SnowNovember 9, 1997
Southwest Carbon · 1 killed · $8K damage
Dust DevilJune 18, 2008
Natrona · 1 killed · $1K damage
AvalancheDecember 20, 2025
Teton & Gros Ventre Mountains · 1 killed ·
AvalancheJanuary 4, 2025
Teton & Gros Ventre Mountains · 1 killed · 1 injured ·
AvalancheFebruary 9, 2024
Sierra Madre Range · 1 killed · 1 injured ·
AvalancheJanuary 14, 2024
Salt River & Wyoming Ranges · 1 killed ·
Thunderstorm WindJuly 3, 2023
Fremont · 1 killed ·
AvalancheFebruary 23, 2023
Salt River & Wyoming Ranges · 1 killed ·
LightningAugust 2, 2022
Teton · 1 killed · 1 injured ·
AvalancheMarch 17, 2022
Teton & Gros Ventre Mountains · 1 killed · 1 injured ·
AvalancheMarch 12, 2022
Sierra Madre Range · 1 killed ·
BlizzardMarch 14, 2021
Central Laramie County · 1 killed ·
AvalancheFebruary 22, 2021
Teton & Gros Ventre Mountains · 1 killed ·
AvalancheFebruary 18, 2021
Teton & Gros Ventre Mountains · 1 killed ·
AvalancheFebruary 17, 2021
Salt River & Wyoming Ranges · 1 killed ·
Heavy SnowNovember 24, 2019
Southwest Carbon County · 1 killed ·
Heavy SnowOctober 19, 2019
Sierra Madre Range · 1 killed ·
AvalancheJanuary 9, 2019
Teton & Gros Ventre Mountains · 1 killed ·
AvalancheDecember 22, 2018
Salt River & Wyoming Ranges · 1 killed ·
AvalancheFebruary 17, 2018
Teton & Gros Ventre Mountains · 1 killed ·
Extreme Cold/Wind ChillDecember 17, 2016
Cody Foothills · 1 killed ·
AvalancheFebruary 21, 2016
Teton & Gros Ventre Mountains · 1 killed ·
Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.