Alerts from NWS Cheyenne WY (UNOFFICIAL)
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cys.nws-bot.us
Alerts from NWS Cheyenne WY (UNOFFICIAL)
@cys.nws-bot.us
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Unofficial bot sharing alerts from NWS Cheyenne WY.

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Winter Weather Advisory issued November 28 at 11:30AM MST until November 29 at 8:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow expected. Total snow accumulations between up to 3 inches. Winds gusting as high as 50 mph. Blowing snow possible. * WHERE...In Nebraska, Northern Sioux County. In Wyoming, Niobrara County. * WHEN...From 8 PM this evening to 8 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations up to 3 inches. Winds gusting as high as 40 mph. Blowing snow possible. * WHERE...Converse County Lower Elevations. * WHEN...From 8 PM this evening to 8 AM MST Saturday. * IMPACTS...Areas of blowing snow could reduce visibility and lead to slick road conditions. Plan on slippery road conditions. * 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...From 8 PM this evening to 11 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.
November 28, 2025 at 6:45 PM
cys.nws-bot.us
Winter Weather Advisory issued November 28 at 1:30AM 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...From 8 PM this evening to 11 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.
November 28, 2025 at 8:45 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 26 at 1:12PM MST until November 26 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * 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.
November 26, 2025 at 8:15 PM
cys.nws-bot.us
🚨 High Wind Warning issued November 26 at 6:28AM MST until November 26 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * 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.
November 26, 2025 at 1:30 PM
cys.nws-bot.us
🚨 High Wind Warning issued November 25 at 4:31AM MST until November 25 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
Winds have diminished below warning thresholds. Therefore, the High Wind Warning will be allowed to expire. * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Box Butte County, Dawes County, Northern Sioux County, and Southern Sioux County. * WHEN...Until 2 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.
November 25, 2025 at 11:45 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 24 at 11:35PM MST until November 25 at 12:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.(1/2)
Winds have diminished below warning thresholds. Therefore, the High Wind Warning will be allowed to expire. * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Box Butte County, Dawes County, Northern Sioux County, and Southern Sioux County. * WHEN...Until 2 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 30 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 5 AM 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 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 25, 2025 at 6:45 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 24 at 2:00PM MST until November 25 at 2:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.(1/2)
* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Box Butte County, Dawes County, Northern Sioux County, and Southern Sioux County. * WHEN...From 8 PM this evening to 2 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 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...Until midnight MST tonight. * 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 30 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 5 AM 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 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 24, 2025 at 9:15 PM
cys.nws-bot.us
🚨 High Wind Warning issued November 24 at 1:09AM MST until November 25 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.(1/2)
* WHAT...West winds 30 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 8 AM this morning to 5 AM 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 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From noon today to midnight MST tonight. * 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 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From noon today to 5 AM 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...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Box Butte County, Dawes County, Northern Sioux County, and Southern Sioux County. * WHEN...From this evening through Tuesday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 24, 2025 at 8:30 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 23 at 1:08PM MST until November 25 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 8 AM Monday to 5 AM 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 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From noon Monday to 5 AM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 23, 2025 at 8:15 PM
cys.nws-bot.us
🚨 High Wind Watch issued November 23 at 12:35AM MST until November 25 at 2:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Southeast Wyoming wind-prone areas including Interstate 80 near Arlington and the Summit and Interstate 25 near Bordeaux, and South Laramie Range Foothills. * WHEN...From Monday morning through late Monday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 23, 2025 at 7:45 AM
cys.nws-bot.us
Dense Fog Advisory issued November 21 at 1:58AM MST until November 21 at 11:00AM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Visibility as low as a quarter mile in dense fog. * WHERE...Cheyenne County and Kimball County along Interstate 80. * WHEN...Until 11 AM MST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
November 21, 2025 at 9:00 AM
cys.nws-bot.us
Winter Weather Advisory issued November 17 at 1:08PM MST until November 17 at 8:00PM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Snow. Additional snow accumulations up to 5 inches. Winds gusting as high as 60 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 8 PM MST this evening. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters and hikers may become disoriented and lost due to low visibility in falling and blowing snow. Areas of blowing snow could reduce visibility and lead to slick road conditions.
November 17, 2025 at 8:15 PM
cys.nws-bot.us
🚨 High Wind Warning issued November 17 at 1:14PM MST until November 17 at 11:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 11 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. * WHAT...West winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 11 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.
November 17, 2025 at 8:15 PM
cys.nws-bot.us
Winter Weather Advisory issued November 17 at 1:17AM MST until November 17 at 8:00PM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Periods of moderate to heavy snow after a brief lull early this morning. Blowing snow possible. Total snow accumulations 6 to 12 inches, with locally higher amounts above 9,000 feet in the Sierra Madre Range and above 10,000 feet in the Snowy Range. Winds gusting as high as 50 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 8 PM MST this evening. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters and hikers may become disoriented and lost due to low visibility in falling and blowing snow. Areas of blowing snow could reduce visibility and lead to slick road conditions.
November 17, 2025 at 8:45 AM
cys.nws-bot.us
Winter Weather Advisory issued November 16 at 9:09PM MST until November 17 at 8:00PM MST by NWS Cheyenne WY
Additional Details Here.
* WHAT...Periods of moderate to heavy snow. Blowing snow possible. Total snow accumulations 6 to 12 inches, with locally higher amounts above 9,000 feet in the Sierra Madre Range and above 10,000 feet in the Snowy Range. Winds gusting as high as 55 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...Until 8 PM MST Monday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters and hikers may become disoriented and lost due to low visibility in falling and blowing snow. Areas of blowing snow could reduce visibility and lead to slick road conditions.
November 17, 2025 at 4:15 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 16 at 9:08PM MST until November 17 at 11:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 11 PM MST Monday. * 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 25 to 35 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 5 AM to 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 17, 2025 at 4:15 AM
cys.nws-bot.us
Special Weather Statement issued November 16 at 9:06PM MST by NWS Cheyenne WY
Additional Details Here.
A strong cold front moving through will bring wind gusts of 55 MPH or greater along with rain showers mixing with or changing to snow. This may lead to visibility under one mild and hazardous travel conditions for light-weight and high profile vehicles. A lull in snow shower activity is expected after midnight, but this is expected to resume Monday morning. A High Wind Warning remains in effect Monday for the Arlington and Elk Mountain areas.
November 17, 2025 at 4:15 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 16 at 1:18PM MST until November 17 at 11:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 5 AM to 11 PM MST Monday. * 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 25 to 35 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 5 AM to 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 16, 2025 at 8:30 PM
cys.nws-bot.us
Winter Weather Advisory issued November 16 at 2:09AM MST until November 17 at 8:00PM MST by NWS Cheyenne WY
Additional Details Here.
...MOUNTAIN SNOW WILL RETURN TO THE REGION LATE SUNDAY AFTERNOON... * WHAT...Periods of moderate to heavy snow. Blowing snow possible. Total snow accumulations 6 to 12 inches, with locally higher amounts above 10,000 feet. Winds gusting as high as 45 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 8 PM this evening to 8 PM MST Monday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters and hikers may become disoriented and lost due to low visibility in falling and blowing snow. Areas of blowing snow could reduce visibility and lead to slick road conditions.
November 16, 2025 at 9:15 AM
cys.nws-bot.us
Special Weather Statement issued November 15 at 4:53AM MST by NWS Cheyenne WY
Additional Details Here.
West to southwest winds between 30 and 40 MPH and isolated gusts near 60 MPH will continue mainly along Interstate 80 between mile markers 260 and 280 and mile markers 320 to 340. Motorists with high profile vehicles are urged to use caution with the hazardous travel conditions. Winds are forecast to diminish by mid to late morning. Strong cross winds are hazardous to light weight and high profile vehicles, including campers and tractor trailers.
November 15, 2025 at 12:00 PM
cys.nws-bot.us
🚨 Red Flag Warning issued November 14 at 4:38PM MST until November 14 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
Humidities have begun to rise across the region and critical fire weather conditions are no longer present. Therefore the Red Flag Warning will be allowed to expire.
November 14, 2025 at 11:45 PM
cys.nws-bot.us
🚨 High Wind Warning issued November 14 at 1:32PM MST until November 15 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 5 AM MST Saturday. * 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 25 to 35 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 14, 2025 at 8:45 PM
cys.nws-bot.us
🚨 Red Flag Warning issued November 14 at 12:50AM MST until November 14 at 5:00PM MST by NWS Cheyenne WY 🚨
Additional Details Here.
...DRY AND WINDY CONDITIONS WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS IN THE NEBRASKA PANHANDLE FRIDAY AFTERNOON... * AFFECTED AREA...Fire weather zone 434.Fire weather zone 435.Fire weather zone 436.Fire weather zone 437. * WIND...Westerly winds 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...13 to 18 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
November 14, 2025 at 8:00 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 14 at 12:49AM MST until November 15 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 14, 2025 at 8:00 AM
cys.nws-bot.us
🚨 High Wind Warning issued November 13 at 12:50PM MST until November 15 at 5:00AM MST by NWS Cheyenne WY 🚨
Additional Details Here.
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 11 PM this evening to 5 AM MST Saturday. * 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 25 to 35 mph with gusts up to 60 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 11 PM this evening to 5 AM MST Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
November 13, 2025 at 8:00 PM