Heavy Snow in Wyoming

Events

1,498

Deaths

5

Injuries

7

Damage

$28,000

• 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.
• Heavy Snow and Winter Weather in Wyoming, October 22 to 23, 20202 deaths · 4 injured · 2 eventsWyoming Highway Patrol investigated a crash between a dump truck and pickup truck along Interstate 25 west five miles west of Douglas around milepost 145.
• 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.
• Heavy Snow in Wyoming, November 24 to 26, 20191 death · 15 eventsA strong, low pressure system moved across the region in the days prior to the Thanksgiving Holiday producing widespread heavy snow and blowing snow conditions that shuttered down overall transportation for travelers and commerce along the interstates.
• Heavy Snow and Winter Weather in Wyoming, October 26 to 28, 20191 death · 13 eventsFlash freeze winter event started the evening of the 26th through the morning and early afternoon hours on the 27th. Initial rain and freezing rain created slick conditions that iced up when precipitation transitioned to snow.
• Blizzard and Heavy Snow in Wyoming, October 19 to 21, 20191 death · 61 kt wind · 12 eventsA deepening low pressure system and frontal boundary moved across the region producing widespread high winds across southeastern Wyoming with light snowfall while in Carbon County blizzard conditions were reported by Arlington stopping traffic for a period of time.
• Avalanche and Heavy Snow in Wyoming, February 7 to 9, 20241 death · 1 injured · 3 eventsHeavy snow reported across the Snowy and Sierra Madre Ranges 7 to 9 February 2024.
• Heavy Snow in Wyoming, November 20 to 21, 20191 death · 5 eventsAs the winter storm moved through the area, conditions along Interstate 80 on the afternoon of the 20th quickly deteriorated with icy conditions and limited visibility from blowing snow.
• Heavy Snow in Wyoming, November 9 to 10, 19971 death · $8,000 · 1 eventAn 81-year-old Rawlins man died when his car slid off an icy Rawlins street, crashed through a small fence and tumbled over a 17-foot retaining wall, landing on its roof. Several inches of snow fell 11/09, making roads slick.
• Heavy Snow in Wyoming, October 27 to 30, 200961 eventsA strong Pacific storm brought cold air and abundant moisture to the area. A long duration upslope flow created favorable conditions for heavy snow. This storm produced dangerous winter storm conditions over a wide area of southeast Wyoming and western Nebraska.
• Heavy Snow in Wyoming, May 10 to 12, 201450 eventsA potent spring storm moved across the Central Rockies and produced heavy snowfall over much of south central and southeast Wyoming. Snow totals ranged from 6 to 20 inches lower elevations to 2 to 3.5 feet over the mountains.
• Blizzard and Winter Storm in Wyoming, February 20 to 23, 20232 injured · 26 eventsWidespread snowfall occurred over much of southeast Wyoming on the 21st through the 23rd. Heaviest snowfall occurred over much of Carbon County in south-central Wyoming with blizzard conditions leading to an extended closure of Interstate 80 through the area.
• Heavy Snow in Wyoming, November 23 to 25, 20234 injured · 10 eventsA low pressure system moved through southeast Wyoming from 23 to 24 November, bringing widespread moderate to heavy snow to many areas.
• Heavy Snow in Wyoming, November 23 to 24, 20022 injured · 14 eventsA storm system brought heavy snow to much of central and western Wyoming. Snowfall amounts ranged from 6 to 9 inches in the lower elevations to 10 to 18 inches in the mountains. Also, two people were injured when icy conditions caused a van to slide of I-25 north of Casper.
• Heavy Snow in Wyoming, May 11 to 12, 201029 eventsDuring the evening of the 11th widespread rainfall developed across the area. As cold air was brought into the region by a strong upper level storm system over the area, the temperature fell below the freezing point causing the rain to change over to snow.
• Extreme Cold and Heavy Snow in Wyoming, February 21 to 23, 202229 eventsA deep upper-level trough brought widespread snow to southeast Wyoming from the morning of February 21st through the early morning hours on February 22nd.
• Winter Storm and Heavy Snow in Wyoming, November 1 to 2, 201125 eventsA strong Pacific cold front moved across northern Wyoming and pushed south across southeast Wyoming and the Nebraska panhandle. The cold front produced cold temperatures, widespread accumulations of snow, and very cold wind chills.
• Winter Storm and Extreme Cold in Wyoming, February 11 to 15, 202125 eventsSnow and sub-zero temperatures blanketed southeastern Wyoming Valentine's Day weekend. Southern mountains and portions out in the high plains measured heavy snowfall coupled then with extreme sub-zero temperatures into the minus teens and twenties for many.
• Heavy Snow in Wyoming, February 26 to 29, 200421 eventsTwo potent winter storms dropped heavy snow across western and central Wyoming. General snowfall accumulations ranged from 3 to 6 inches in the lowest elevations of southwest Wyoming, increasing to 9 to 12 inches in lower elevations of central Wyoming.
• Heavy Snow in Wyoming, November 20 to 23, 201021 eventsA long duration snow event occurred over the Snowy and Sierra Madre Ranges from 21 through 22 November as moist southwest wind flow brought very heavy snows to west and southwest slopes.
• Heavy Snow in Wyoming, November 16 to 17, 201021 eventsA strong upper low moved through western Wyoming the evening of 15 November 2010, bringing another round of heavy snow to south central Wyoming.
• Blizzard and Winter Storm in Wyoming, October 12 to 13, 202158 kt wind · 20 eventsStrong mid-October low brought heavy snow, strong winds, and blizzard conditions to southeast Wyoming. Areas west of the Laramie Range received 4 to 10 inches of snowfall with areas in the Snowy and Sierra Madres mountains receiving higher amounts.
• Heavy Snow and High Wind in Wyoming, April 22 to 24, 201053 kt wind · 19 eventsA slow moving winter storm system progressed eastward through the area. Due to the rather warm conditions ahead of the system, the precipitation changed from rain to snow.
• Winter Storm and Heavy Snow in Wyoming, December 2 to 4, 201319 eventsA strong Pacific storm system moved across southeast Wyoming. Bitter cold air from the north combined with abundant moisture to produce widespread moderate to heavy snowfall. Storm totals ranged from 6 to 18 inches, heaviest over the mountains.
• Heavy Snow in Wyoming, January 29 to 31, 201418 eventsA vigorous upper level jet stream and moist upslope flow produced a prolonged period of moderate to heavy snow over the higher terrain of southeast Wyoming. Lesser amounts of snow occurred over the southeast plains of Wyoming.

Heavy Snow 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.