Alerts from NWS Cheyenne WY (UNOFFICIAL)
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Alerts from NWS Cheyenne WY (UNOFFICIAL)
@cys.nws-bot.us
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cys.nws-bot.us
🚨 Winter Storm Warning issued December 5 at 12:20AM MST until December 7 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...Heavy snow expected. Total snow accumulations between 1 and 2 feet. Higher amounts possible above 10000 feet. Winds gusting as high as 65 mph will lead to blowing snow and reduced visibility. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly. Widespread blowing snow could significantly reduce visibility and lead to dangerous travel conditions. Travel could be very difficult to impossible. Very strong winds could cause tree damage. * WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. Highest accumulations are expected near the Snowy Range. Winds gusting as high as 70 mph. Strong winds will lead to blowing snow and reduced visibility. Visibility may be reduced below one mile at times. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 5 AM early this morning to 5 PM MST Saturday. * IMPACTS...Areas of blowing snow could reduce visibility and lead to slick road conditions. Travel will be difficult.
December 5, 2025 at 7:30 AM
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Special Weather Statement issued December 4 at 7:49PM MST by NWS Cheyenne WY
Additional Details Here.
Current radar loop shows a band of moderate to locally heavy snowfall impacting the Interstate 80 corridor between Laramie and Rawlins this evening. In addition, westerly winds continue to gust up to 65 MPH, producing periods of near zero visibility. Motorists are urged to use caution while traveling along Interstate 80 west of Laramie this evening and overnight. Although significant snow accumulations are not expected at this time, periods of blizzard conditions are possible near Arlington and Elk Mountain tonight.
December 5, 2025 at 3:00 AM
cys.nws-bot.us
🚨 High Wind Warning issued December 4 at 12:56PM MST until December 5 at 6:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 6 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...A brief lull in the strong winds is possible Thursday afternoon before winds pick up again Thursday evening. * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until noon MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility and slick roads. * ADDITIONAL DETAILS...A brief lull in the strong winds is possible Thursday afternoon before winds pick up again Thursday evening.
December 4, 2025 at 8:00 PM
cys.nws-bot.us
🚨 Winter Storm Warning issued December 4 at 12:56PM MST until December 7 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...Heavy snow expected. Total snow accumulations between 1 and 2 feet. Higher amounts possible above 10000 feet. Winds gusting as high as 65 mph will lead to blowing snow and reduced visibility. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly. Widespread blowing snow could significantly reduce visibility and lead to dangerous travel conditions. Travel could be very difficult to impossible. Very strong winds could cause tree damage.
December 4, 2025 at 8:00 PM
cys.nws-bot.us
🚨 High Wind Warning issued December 4 at 12:29AM MST until December 5 at 6:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 6 AM this morning to 6 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...A brief lull in the strong winds is possible Thursday afternoon before winds pick up again Thursday evening. * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 6 AM this morning to noon MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility and slick roads. * ADDITIONAL DETAILS...A brief lull in the strong winds is possible Thursday afternoon before winds pick up again Thursday evening.
December 4, 2025 at 7:45 AM
cys.nws-bot.us
🚨 Winter Storm Warning issued December 4 at 12:25AM MST until December 7 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...Heavy snow expected. Total snow accumulations between 1 and 2 feet. Higher amounts possible above 10000 feet. Winds gusting as high as 65 mph will lead to blowing snow and reduced visibility. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly. Widespread blowing snow could significantly reduce visibility and lead to dangerous travel conditions. Travel could be very difficult to impossible. Very strong winds could cause tree damage.
December 4, 2025 at 7:30 AM
cys.nws-bot.us
🚨 High Wind Warning issued December 3 at 1:23PM MST until December 5 at 6:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 6 AM Thursday to 6 AM MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...A brief lull in the strong winds is possible Thursday afternoon before winds pick up again Thursday evening. * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 6 AM Thursday to noon MST Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility and slick roads. * ADDITIONAL DETAILS...A brief lull in the strong winds is possible Thursday afternoon before winds pick up again Thursday evening.
December 3, 2025 at 8:30 PM
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Winter Weather Advisory issued December 2 at 11:52PM MST until December 3 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 11 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute. * WHAT...Snow. Additional snow accumulations up to 3 inches. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 11 AM MST Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
December 3, 2025 at 7:00 AM
cys.nws-bot.us
🚨 High Wind Warning issued December 2 at 4:40PM MST until December 2 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
Winds have diminished below warning thresholds. Therefore, the High Wind Warning will be allowed to expire.
December 2, 2025 at 11:45 PM
cys.nws-bot.us
Winter Weather Advisory issued December 2 at 2:13PM MST until December 3 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 9 PM this evening to 11 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute. * WHAT...Snow. Additional snow accumulations between 2 and 6 inches. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 11 AM MST Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
December 2, 2025 at 9:30 PM
cys.nws-bot.us
Winter Weather Advisory issued December 2 at 2:18AM MST until December 3 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. Winds gusting as high as 50 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 11 AM MST Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
December 2, 2025 at 9:30 AM
cys.nws-bot.us
🚨 High Wind Warning issued December 2 at 2:16AM MST until December 2 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * WHAT...West winds 35 to 45 mph with gusts up to 70 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 8 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Areas of blowing snow are also possible. Visibilities may be reduced to 1 mile or less.
December 2, 2025 at 9:30 AM
cys.nws-bot.us
🚨 High Wind Warning issued December 1 at 2:42PM MST until December 2 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 45 mph with gusts around 65 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 8 PM this evening to 5 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Areas of blowing snow are also possible from any snowfall on Sunday. Visibilities may be reduced to 1 mile or less.
December 1, 2025 at 9:45 PM
cys.nws-bot.us
🚨 High Wind Warning issued December 1 at 2:14PM MST until December 2 at 8:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Areas of blowing snow are also possible from any snowfall on Sunday. Visibilities may be reduced to 1 mile or less. * WHAT...West winds 30 to 45 mph with gusts around 65 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 8 PM this evening to noon MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
December 1, 2025 at 9:30 PM
cys.nws-bot.us
Winter Weather Advisory issued December 1 at 2:15PM MST until December 3 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 50 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 5 AM Tuesday to 11 AM MST Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
December 1, 2025 at 9:30 PM
cys.nws-bot.us
Winter Weather Advisory issued December 1 at 2:12PM MST until December 3 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 50 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 5 AM Tuesday to 11 AM MST Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
December 1, 2025 at 9:15 PM
cys.nws-bot.us
🚨 High Wind Warning issued December 1 at 12:52AM MST until December 2 at 8:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 2 PM this afternoon to 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Areas of blowing snow are also possible from any snowfall on Sunday. Visibilities may be reduced to 1 mile or less. * WHAT...West winds 30 to 45 mph with gusts around 65 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 8 PM this evening to noon MST Tuesday. Strong winds may continue into early Tuesday afternoon for the Interstate 80 Summit and Foothills. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
December 1, 2025 at 8:00 AM
cys.nws-bot.us
🚨 High Wind Watch issued November 30 at 1:04PM MST until December 2 at 8:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From Monday afternoon through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Areas of blowing snow are also possible from any snowfall on Sunday. Visibilities may be reduced to 1 mile or less. * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From Monday evening through Tuesday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 30, 2025 at 8:15 PM
cys.nws-bot.us
Winter Weather Advisory issued November 30 at 1:02PM MST until December 1 at 5:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 5 AM MST Monday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
November 30, 2025 at 8:15 PM
cys.nws-bot.us
Winter Weather Advisory issued November 30 at 4:56AM MST until December 1 at 5:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
November 30, 2025 at 12:00 PM
cys.nws-bot.us
🚨 High Wind Watch issued November 30 at 1:30AM MST until December 2 at 8:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From Monday afternoon through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Areas of blowing snow are also possible from any snowfall on Sunday. Visibilities may be reduced to 1 mile or less. * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From Monday evening through Tuesday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 30, 2025 at 8:45 AM
cys.nws-bot.us
Winter Weather Advisory issued November 29 at 12:52PM MST until December 1 at 5:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 11 AM Sunday to 5 AM MST Monday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. Travel could be very difficult.
November 29, 2025 at 8:00 PM
cys.nws-bot.us
Winter Weather Advisory issued November 29 at 7:52AM MST until November 29 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 45 mph. * WHERE...Dawes County. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.
November 29, 2025 at 3:00 PM
cys.nws-bot.us
Winter Weather Advisory issued November 29 at 1:55AM MST until November 29 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Winds gusting as high as 45 mph. Blowing snow possible. * WHERE...Dawes County. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations between 1 to 3 inches. Winds gusting as high as 50 mph. Blowing snow possible. * WHERE...In Nebraska, Northern Sioux County. In Wyoming, Niobrara County. * WHEN...Until 8 AM MST this morning. * IMPACTS...Plan on slippery road conditions. Strong winds could cause tree damage. * WHAT...Snow expected. Total snow accumulations 1 to 3 inches. Winds gusting as high as 40 mph. Blowing snow possible. * WHERE...Converse County Lower Elevations. * WHEN...Until 8 AM MST this morning. * IMPACTS...Areas of blowing snow could reduce visibility and lead to slick road conditions. Plan on slippery road conditions. Gusty winds could bring down tree branches.
November 29, 2025 at 9:00 AM
cys.nws-bot.us
Special Weather Statement issued November 29 at 12:40AM MST by NWS Cheyenne WY
Additional Details Here.
An arctic cold front is currently pushing south across the rest of southeast Wyoming and into Colorado early this morning. This front is producing northerly wind gusts up to 55 MPH, moderate to locally heavy snow, and visibility down to one half mile. Periods of moderate to brief heavy snow will impact far eastern Albany and most of Laramie County through 400 AM MST. Motorists are urged to use caution, slow down, and be prepared for a sudden drop in visibility.
November 29, 2025 at 7:45 AM