Winter Storm in Wyoming

Events

4,039

Deaths

12

Injuries

164

Damage

$6.3 million

• Winter Storm in Wyoming, October 10 to 12, 20084 deaths · 4 injured · 27 eventsA large low pressure system tracked from the southern Great Basin across Wyoming bringing heavy snowfall to western and central Wyoming. The slow moving storm pumped abundant moisture north into the state ahead of the main area of low pressure producing heavy snow.
• Winter Storm in Wyoming, December 8 to 11, 19971 death · 36 injured · $100,000 · 4 eventsWinter storm conditions caused by fresh snow and strong winds contributed to 76 accidents from 2200 12/08 to 1700 12/10 in Laramie and Albany counties. 17 of the accidents involved injuries, the exact number of which are not known.
• Blizzard and Winter Storm in Wyoming, January 26 to 30, 20231 death · 40 injured · 10 eventsA multi-day period of snowfall across much of southeast Wyoming areas receiving over 6 inches of snowfall while mountain area received multiple feet of snow accumulation.
• Winter Storm in Wyoming, October 12, 19971 death · 30 injured · $25,000 · 3 eventsA Utah man died of head injuries after his pickup truck slid on black ice on a bridge and rolled. The accident occurred on Interstate 80 at the Arlington interchange. An accident near Laramie involving a bus injured at least 30 people.
• Winter Storm in Wyoming, October 29 to 31, 20032 deaths · 14 eventsA strong autumn snowstorm brought widespread heavy snow to much of western and central Wyoming. Some portions of this region received anywhere from 1 to 3 feet of snow.
• Blizzard and Winter Storm in Wyoming, December 25 to 26, 20092 deaths · 11 eventsAn upper level disturbance on the west coast moved southward over the southern Rockies and then out onto the southern plains from approximately December 21st through the 26th. This system affected the Cheyenne CWA in two waves.
• Winter Storm in Wyoming, December 3, 19991 death · 4 injured · $45,000 · 2 eventsIcy roads from snowfall resulted in a few serious accidents. The most significant was a collision between two semi trucks on Interstate 80 about 17 miles west of Cheyenne, Wy.
• Winter Storm and Winter Weather in Wyoming, December 21 to 22, 20111 death · 3 injured · $25,000 · 5 eventsA storm system moved through central Wyoming bringing heavy snow to Casper Mountain and the Wind River Range and adjacent foothills. Two feet of snow fell on Casper Mountain with up to eight inches southeast of Casper.
• Winter Storm in Wyoming, March 6 to 7, 199819 injured · $65,000 · 6 eventsA winter storm affected parts of southeast Wyoming, with a total of 11 inches of snowfall reported in Rawlins, 10 inches at Lusk and Hanna, and 8 inches of snowfall was reported across Platte county.
• Blizzard and Winter Storm in Wyoming, March 13 to 15, 20211 death · 18 eventsHistoric winter storm crippled much of southeast Wyoming with heavy wet snow followed by strong winds and blizzard conditions. Cheyenne received 22.7 inches of snowfall in 24 hours (storm total 30.8 inches) with 4 to 6 foot drifts developing all over.
• Winter Storm in Wyoming, September 28, 19991 death · 1 injured · 3 eventsSnow fell over parts of south central and southeast Wyoming, with snowfall of 8 inchesreported at Elk Mountain, and 6 inches at Buford. Icy bridges resulted in an accidenton Interstate 80 15 miles east of Rawlins, WY, which killed one person and injured another.
• Winter Storm in Wyoming, February 25 to 26, 200015 injured · $100,000 · 2 eventsHeavy snow combined with gusty winds over east-central Wyoming to produce blizzard-likeconditions with near zero visibilities in some areas. Many roads were closed with numerousaccidents, stranding some travelers. Snowfall of 3 to 5 inches was common.
• Winter Storm in Wyoming, February 16 to 17, 200012 injured · $100,000 · 5 eventsHeavy snow fell over parts of south-central and eastern Wyoming, resulting in icy roads and numerous accidents.Interstate 80 was closed for a while between Laramie and Rawlins, Wy.
• Winter Storm in Wyoming, October 3 to 4, 2013$3.0 million · 17 eventsA potent early season winter storm moved into Wyoming early on Thursday, October 3, and continued through much of Friday, October 4. Snow began in the higher elevations of western Wyoming early Thursday morning.
• Blizzard and Winter Storm in Wyoming, March 28 to 30, 20074 injured · $130,000 · 15 eventsA slow-moving low pressure system produced widespread heavy snow and gusty wind crippling much of central Wyoming. Strong southerly pre-frontal wind gusts of around 60 mph were common ahead of the storm.
• Winter Storm in Wyoming, October 15 to 17, 1998$1.0 million · 4 eventsA severe winter storm moved across Western and Central Wyoming dumping locally heavy snow from southern Yellowstone National Park to the Casper area. The main brunt of the storm was felt in the Casper area where up to 17 inches of snow fell.
• Winter Storm in Wyoming, September 26 to 27, 2013$750,000 · 3 eventsA strong upper level low and favorable jet dynamics combined to produce an early season snowstorm across many areas east of the Continental Divide. The heaviest accumulations of snow fell across portions of Fremont County from Riverton through Lander into the Wind River Range.
• Winter Storm in Wyoming, October 4 to 5, 2005$550,000 · 5 eventsA strong low pressure system developed over the Central Rockies and moved through the Northern Plains, bringing heavy snow to much of northeast Wyoming.
• Winter Storm and High Wind in Wyoming, February 18 to 19, 2016$275,000 · 90 kt wind · 15 eventsThe passage of a potent Pacific cold front in concert with a favorable jet stream position, strong mid-level winds, and a tightening pressure gradient led to widespread high wind east of the Continental Divide.
• Winter Storm in Wyoming, February 1 to 2, 201676 eventsA strong low pressure system impacted the central Rockies with periods of moderate to heavy snowfall and gusty east to northeast winds of 30 to 40 mph. The combination of falling and blowing snow created poor visibilities and snow-packed roadways.
• Winter Storm and High Wind in Wyoming, February 6 to 8, 2017$100,000 · 94 kt wind · 14 eventsA combination of a strong Pacific trough and cold front, an ample supply of moisture combined to bring very heavy snow to much of western Wyoming. The highest amounts fell in the Tetons where almost 3 feet of new snow occurred at the Jackson Hole Ski resort.
• Winter Storm in Wyoming, April 19, 2000$175,000 · 1 eventHigh winds and heavy snow caused widespread damage to power poles resultingin power outages. 6 to 8 inches of snow fell in Lusk, WY with gusty winds resulted in blizzardlike conditions.
• Winter Storm in Wyoming, April 15 to 17, 201360 eventsA slow moving Pacific low pressure system interacted with a stationary front and moist upslope flow over southeast Wyoming. Significant snow accumulations occurred with 6 to 18 inches over lower elevations and two to three feet over the mountains.
• Winter Storm in Wyoming, April 8 to 9, 201358 eventsA vigorous Pacific low pressure system brought widespread heavy snowfall and northerly winds up to 50 mph as it moved across the central Rockies. Storm total snow accumulations up to two feet were observed across southeast Wyoming.
• Winter Storm and High Wind in Wyoming, February 25 to 27, 2024$100,000 · 86 kt wind · 10 eventsA Pacific trough moved across western and central Wyoming and brought heavy snow to northwestern Wyoming and high wind to much of the area. The heaviest snow fell in the Tetons where a maximum of 24 inches of new snow fell at the Grand Targhee Ski Resort.

Winter Storm everywhereEvery kind of event in Wyoming

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.