Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | South Laramie Range |
| Effective: | 2025-12-06 @ 11:52 am |
| Onset: | 2025-12-06 @ 11:52 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 11:52 am |
| Headline: | Special Weather Statement issued December 6 at 10:52AM MST by NWS Cheyenne WY |
| Description: |
Gusty winds alongside falling snowfall/ground snow are causing periods of reduced visibilities along the interstate leading up to and at the Laramie Summit, and will continue to do so over the next several hours for brief periods as winds remain gusty into the early afternoon hours. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie County |
| Effective: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 3:13 am |
| Headline: | High Wind Warning issued December 6 at 2:13AM MST until December 6 at 2:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Central Laramie 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. |
| Alert: | High Wind Warning |
| Area(s): | Laramie Valley; South Laramie Range Foothills |
| Effective: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 3:13 am |
| Headline: | High Wind Warning issued December 6 at 2:13AM MST until December 6 at 5:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph. * WHERE...Laramie Valley and South Laramie Range Foothills. * 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. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie Range and Southwest Platte County; Central Carbon County; North Snowy Range Foothills; South Laramie Range |
| Effective: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 3:13 am |
| Headline: | High Wind Warning issued December 6 at 2:13AM MST until December 6 at 5:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 45 mph with gusts up to 70 mph expected. * WHERE...Southeast Wyoming wind-prone areas including Interstate 80 near Arlington and the Summit and Interstate 25 near Bordeaux, and Central Carbon County. * 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. In addition, areas of blowing snow could lead to reduced visibility, even whiteout conditions, and slick roads. |
| Alert: | High Wind Warning |
| Area(s): | East Platte County |
| Effective: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 3:13 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 3:13 am |
| Headline: | High Wind Warning issued December 6 at 2:13AM MST until December 6 at 2:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph. * WHERE...East Platte 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2025-12-06 @ 3:07 am -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-06 @ 3:07 am -> 2025-12-06 @ 6:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 3:07 am |
| Headline: | Winter Weather Advisory issued December 6 at 2:07AM MST until December 6 at 5:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Snow expected. Additional snow accumulations between 2 and 4 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-half mile at times. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Areas of blowing snow could reduce visibility and lead to slick road conditions. Travel will be difficult. |
| Alert: | Winter Storm Warning |
| Area(s): | Sierra Madre Range; Snowy Range |
| Effective: | 2025-12-06 @ 3:07 am -> 2025-12-07 @ 6:00 am |
| Onset: | 2025-12-06 @ 3:07 am -> 2025-12-06 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-06 @ 3:07 am |
| Headline: | Winter Storm Warning issued December 6 at 2:07AM MST until December 7 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Heavy snow expected. Additional snow accumulations between 10 and 18 inches. 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2025-12-06 @ 2:50 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 2:50 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-06 @ 2:50 am |
| Headline: | Winter Weather Advisory issued December 6 at 1:50AM MST until December 6 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Occasional snow and blowing snow. Additional snow accumulations of 4 to 7 inches. Winds gusting as high as 40 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Outdoor recreation will be impacted by wintry conditions. |
| Alert: | Winter Weather Advisory |
| Area(s): | Jackson Hole; Star Valley |
| Effective: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-06 @ 1:51 am |
| Headline: | Winter Weather Advisory issued December 6 at 12:51AM MST until December 6 at 2:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Additional snow accumulations of 1 to 4 inches possible, with locally high amounts up to 6 inches in the foothill areas. Gusty winds of 20 to 25 mph. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions and reduced visibilities. * ADDITIONAL DETAILS...Periods of moderate to heavy snow are possible through Saturday morning. Snow and gusty winds could cause reduced visibilities. |
| Alert: | Winter Weather Advisory |
| Area(s): | Yellowstone National Park; Absaroka Mountains |
| Effective: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-06 @ 1:51 am |
| Headline: | Winter Weather Advisory issued December 6 at 12:51AM MST until December 6 at 2:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Additional snow accumulations of 2 to 8 inches across much of Yellowstone National Park. Higher accumulations of 8 to 15 inches across higher elevations of the Pitchstone Plateau and the western portions of the Absaroka Mountains. Gusty winds of 20 to 35 mph across Yellowstone National Park and 35 to 55 mph across the Absaroka Mountains. * WHERE...Absaroka Mountains and Yellowstone National Park. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Travel could be very difficult, with hazardous conditions impacting any travel through the area. * ADDITIONAL DETAILS...Periods of moderate to heavy snow are possible through Noon Saturday. Snow and gusty winds could cause reduced visibilities and drifting snow. |
| Alert: | Winter Storm Warning |
| Area(s): | Teton and Gros Ventre Mountains; Salt River and Wyoming Ranges |
| Effective: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-06 @ 1:51 am |
| Headline: | Winter Storm Warning issued December 6 at 12:51AM MST until December 6 at 2:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations of 5 to 12 inches, with higher elevations seeing an additional 15 to 20 inches. Gusty winds of 30 to 45 mph will be common. Gusts of 60 mph are possible across the highest elevations. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Travel could be very difficult, especially over Teton, Togwotee, and Salt River Passes. The hazardous conditions could impact travel through midday Saturday. * ADDITIONAL DETAILS...Periods of moderate to heavy snow are possible through Noon Saturday. Snow and gusty winds could cause reduced visibilities and drifting snow. |
| Alert: | Winter Storm Warning |
| Area(s): | Bighorn Mountains West |
| Effective: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-06 @ 1:51 am |
| Headline: | Winter Storm Warning issued December 6 at 12:51AM MST until December 6 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Additional snow accumulations of 8 to 15 inches over central and northern portions of the western Bighorn Mountains, with higher elevations seeing up to 20 inches. Snow accumulations of 1 to 8 inches across southern portions of the Bighorns. * WHERE...Bighorn Mountains West. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult over Granite and Powder River Passes. The hazardous conditions could impact the travel on Saturday morning. * ADDITIONAL DETAILS...Heavy periods of snow are expected between 5AM and NOON Saturday when snowfall rates of 1 or more inches will be possible. |
| Alert: | Winter Weather Advisory |
| Area(s): | Wind River Mountains West; Upper Green River Basin Foothills |
| Effective: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-06 @ 1:51 am -> 2025-12-06 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-06 @ 1:51 am |
| Headline: | Winter Weather Advisory issued December 6 at 12:51AM MST until December 6 at 2:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Additional snow accumulations of 1 to 4 inches from Bondurant/Hoback Junction to Pinedale and 8 to 15 inches in the mountains. Gusty winds of 20 to 35 mph possible across the Upper Green River Basin and west Wind River Mountains, and up to 50 mph across the highest elevations. Wind gusts around 45 mph over South Pass. * WHERE...Wind River Mountains West and Upper Green River Basin Foothills. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Travel could be difficult through Noon Saturday, especially near Bondurant/Hoback Junction. * ADDITIONAL DETAILS...Periods of moderate to heavy snow are possible through Saturday morning. Snow and gusty winds could cause reduced visibilities. |