Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | Green Mountains and Rattlesnake Range; Natrona County Lower Elevations; Casper Mountain; South Lincoln County; Rock Springs and Green River; Flaming Gorge; East Sweetwater County |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-11 @ 6:00 am |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | High Wind Warning issued December 9 at 8:59AM MST until December 11 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. Localized gusts up to 70 to 75 mph possible. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, Natrona County Lower Elevations, Sweetwater County and South Lincoln County. Strongest winds are expected along South Pass and higher peaks of the Green Mountains and Rattlesnake Range. * WHEN...Through 5 AM MST Thursday. The strongest wind will occur during the daytime hours with a lull in the wind possible on Tuesday night. * IMPACTS...Travel will be difficult, especially for high profile vehicles. |
| Alert: | Winter Storm Warning |
| Area(s): | Yellowstone National Park; Absaroka Mountains |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | Winter Storm Warning issued December 9 at 8:59AM MST until December 10 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations between 10 and 20 inches, with the highest amounts in the western Absarokas and southwestern Yellowstone Park. Northern Yellowstone Park will see 4 to 8 inches of snow with much lower amounts, less than 2 inches at Mammoth. Winds gusting as high as 60 to 70 mph across the ridgetops. * WHERE...Absaroka Mountains and Yellowstone National Park. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult across Yellowstone Park and along Chief Joseph Highway. Significant blowing and drifting of snow is expected. Backcountry travel is not advised. |
| Alert: | Winter Storm Warning |
| Area(s): | Teton and Gros Ventre Mountains |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | Winter Storm Warning issued December 9 at 8:59AM MST until December 10 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations of 1 to 2 feet. Winds gusting as 50 to 60 mph, with strongest winds occurring Tuesday night through Wednesday morning. * WHERE...Teton and Gros Ventre Mountains, including Teton Pass and Togwotee Pass. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travel across Teton and Togwotee Passes Tuesday and Wednesday. Blowing and drifting of snow is expected. Backcountry travel is not advised. |
| Alert: | Winter Weather Advisory |
| Area(s): | Wind River Mountains West; Wind River Mountains East |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | Winter Weather Advisory issued December 9 at 8:59AM MST until December 10 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations of 8 to 16 inches possible. Less than 1 inch of snow is expected for South Pass. Winds could gust as high as 60 to 70 mph. Locally stronger gusts are possible. * WHERE...Wind River Mountains. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult. Backcountry travel is not advised. |
| Alert: | Winter Weather Advisory |
| Area(s): | Salt River and Wyoming Ranges |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | Winter Weather Advisory issued December 9 at 8:59AM MST until December 10 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow. Additional snow accumulations of 6 to 12 inches. Winds gusting as high as 60 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult including over Salt River Pass. Backcountry travel is not advised. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bighorn Mountains West |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | Winter Weather Advisory issued December 9 at 8:59AM MST until December 10 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow. Additional snow accumulations up to 12 to 20 inches across higher peaks in the northern part of the Range, including along Granite Pass. Around 6 to 12 inches across Powder River Pass. 1 to 3 inches of snow possible across the southern part of the Range. Winds gusting as high as 50 to 60 mph. * WHERE...Bighorn Mountains West. * WHEN...Until 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult across Powder River and Granite Passes. Significant blowing and drifting of snow is possible. Backcountry travel is not advised. |
| Alert: | High Wind Warning |
| Area(s): | Upper Wind River Basin |
| Effective: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 3:00 pm |
| Onset: | 2025-12-09 @ 9:59 am -> 2025-12-09 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-09 @ 9:59 am |
| Headline: | High Wind Warning issued December 9 at 8:59AM MST until December 9 at 2:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin, including Dubois. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Travel will be difficult, especially for high profile vehicles. |
| Alert: | Winter Weather Advisory |
| Area(s): | Sierra Madre Range; Snowy Range |
| Effective: | 2025-12-09 @ 4:12 am -> 2025-12-10 @ 12:00 pm |
| Onset: | 2025-12-09 @ 1:00 pm -> 2025-12-09 @ 6:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:12 am |
| Headline: | Winter Weather Advisory issued December 9 at 3:12AM MST until December 10 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Snow and blowing snow expected. Total snow accumulations of 6 to 12 inches above 9000 feet in elevation. Locally higher amounts possible above 10000 feet. Winds gusting as high as 75 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From noon today 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. |
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills; South Laramie Range |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-12 @ 6:00 am |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 12 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph through Tuesday evening. Then, after a possible short break, west winds 35 to 50 mph with gusts up to 75 mph expected Wednesday into early Friday. * WHERE...North Snowy Range Foothills and South Laramie Range. * WHEN...Until 5 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...This will be a long duration wind event. Wind gusts exceeding 60 mph are expected periodically through Friday morning. Certain time periods will have the potential for gusts of up to 90 mph, but this threat will not be present for the entire time period. |
| Alert: | High Wind Watch |
| Area(s): | Ferris/Seminoe/Shirley Mountains; Central Carbon County |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-11 @ 6:00 am |
| Onset: | 2025-12-10 @ 6:00 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Watch issued December 9 at 3:05AM MST until December 11 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected through Tuesday evening. Then, after a break, southwest winds 30 to 40 mph with gusts up to 60 mph possible Wednesday into early Thursday morning. * WHERE...Central Carbon County and Ferris/Seminoe/Shirley Mountains. * WHEN...For the High Wind Warning, until 8 PM MST this evening. For the High Wind Watch, from late tonight through late Wednesday night. * 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 Watch |
| Area(s): | Converse County Lower Elevations |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-11 @ 9:00 am |
| Onset: | 2025-12-10 @ 12:00 pm -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Watch issued December 9 at 3:05AM MST until December 11 at 8:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected through Tuesday afternoon. Then, after a break, west winds 20 to 30 mph with gusts up to 60 mph possible Wednesday afternoon into Thursday morning. * WHERE...Converse County Lower Elevations. * WHEN...For the High Wind Warning, until 8 PM MST this evening. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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 Watch |
| Area(s): | Shirley Basin |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-11 @ 9:00 am |
| Onset: | 2025-12-10 @ 9:00 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Watch issued December 9 at 3:05AM MST until December 11 at 8:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected through Tuesday evening. Then, after a break, west winds 30 to 40 mph with gusts up to 65 mph possible Wednesday into early Thursday morning. * WHERE...Shirley Basin. * WHEN...For the High Wind Warning, until 8 PM MST this evening. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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 Watch |
| Area(s): | Upper North Platte River Basin; Laramie Valley |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-11 @ 9:00 am |
| Onset: | 2025-12-10 @ 9:00 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Watch issued December 9 at 3:05AM MST until December 11 at 8:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 40 to 50 mph with gusts up to 75 mph expected through Tuesday evening. Then, after a break, west winds 35 to 45 mph with gusts up to 70 mph possible Wednesday through early Thursday morning. * WHERE...Upper North Platte River Basin and Laramie Valley. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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): | Snowy Range |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-10 @ 1:00 am |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 10 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 90 mph expected. * WHERE...Snowy Range. * 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. * ADDITIONAL DETAILS...Very strong winds will have the potential to bring down trees and cause property damage. |
| Alert: | High Wind Warning |
| Area(s): | East Platte County; Central Laramie County |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-10 @ 1:00 am |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 10 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected through Tuesday evening. Then, after a break, west winds 35 to 45 mph with gusts up to 70 mph possible Wednesday afternoon into early Thursday morning. * WHERE...Central Laramie County and East Platte County. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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): | Upper North Platte River Basin; Laramie Valley |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-10 @ 1:00 am |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 10 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 40 to 50 mph with gusts up to 75 mph expected through Tuesday evening. Then, after a break, west winds 35 to 45 mph with gusts up to 70 mph possible Wednesday through early Thursday morning. * WHERE...Upper North Platte River Basin and Laramie Valley. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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): | North Laramie Range |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-10 @ 1:00 am |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 10 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph expected. * WHERE...North Laramie Range. * WHEN...Until midnight MST tonight. * IMPACTS...Very strong winds will have the potential to bring down trees and cause property damage. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie Range and Southwest Platte County; South Laramie Range Foothills |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-10 @ 1:00 am |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 10 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph through Tuesday evening. Then, after a break overnight, west winds 35 to 50 mph with gusts up to 80 mph expected Wednesday late morning through Thursday night. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland, and South Laramie Range Foothills. * WHEN...For the first High Wind Warning, until midnight MST tonight. For the second High Wind Warning, from 9 AM Wednesday to midnight MST Thursday Night. * 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 Watch |
| Area(s): | East Platte County; Central Laramie County |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-11 @ 9:00 am |
| Onset: | 2025-12-10 @ 12:00 pm -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Watch issued December 9 at 3:05AM MST until December 11 at 8:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected through Tuesday evening. Then, after a break, west winds 35 to 45 mph with gusts up to 70 mph possible Wednesday afternoon into early Thursday morning. * WHERE...Central Laramie County and East Platte County. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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): | Niobrara County; Goshen County; East Laramie County |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 9:00 pm |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 9 at 8:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Niobrara County, East Laramie County, and Goshen County. * 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. |
| Alert: | High Wind Warning |
| Area(s): | Shirley Basin |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 9:00 pm |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 9 at 8:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected through Tuesday evening. Then, after a break, west winds 30 to 40 mph with gusts up to 65 mph possible Wednesday into early Thursday morning. * WHERE...Shirley Basin. * WHEN...For the High Wind Warning, until 8 PM MST this evening. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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): | Ferris/Seminoe/Shirley Mountains; Central Carbon County |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 9:00 pm |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 9 at 8:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected through Tuesday evening. Then, after a break, southwest winds 30 to 40 mph with gusts up to 60 mph possible Wednesday into early Thursday morning. * WHERE...Central Carbon County and Ferris/Seminoe/Shirley Mountains. * WHEN...For the High Wind Warning, until 8 PM MST this evening. For the High Wind Watch, from late tonight through late Wednesday night. * 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): | Converse County Lower Elevations |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 9:00 pm |
| Onset: | 2025-12-09 @ 4:05 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 9 at 8:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected through Tuesday afternoon. Then, after a break, west winds 20 to 30 mph with gusts up to 60 mph possible Wednesday afternoon into Thursday morning. * WHERE...Converse County Lower Elevations. * WHEN...For the High Wind Warning, until 8 PM MST this evening. For the High Wind Watch, from Wednesday morning through Thursday morning. * 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; South Laramie Range Foothills |
| Effective: | 2025-12-09 @ 4:05 am -> 2025-12-12 @ 1:00 am |
| Onset: | 2025-12-10 @ 10:00 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-09 @ 4:05 am |
| Headline: | High Wind Warning issued December 9 at 3:05AM MST until December 12 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph through Tuesday evening. Then, after a break overnight, west winds 35 to 50 mph with gusts up to 80 mph expected Wednesday late morning through Thursday night. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland, and South Laramie Range Foothills. * WHEN...For the first High Wind Warning, until midnight MST tonight. For the second High Wind Warning, from 9 AM Wednesday to midnight MST Thursday Night. * 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): | Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Northern Foothills; Rapid City; Southern Foothills; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Bennett; Mellette; Todd; Tripp; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Jackson; Southern Perkins; Northeastern Crook |
| Effective: | 2025-12-09 @ 3:34 am -> 2025-12-10 @ 3:00 am |
| Onset: | 2025-12-09 @ 9:00 am -> 2025-12-09 @ 6:45 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2025-12-09 @ 3:34 am |
| Headline: | High Wind Warning issued December 9 at 2:34AM MST until December 10 at 2:00AM MST by NWS Rapid City SD |
| Description: |
* WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...From 8 AM MST /9 AM CST/ this morning to 2 AM MST /3 AM CST/ Wednesday. * IMPACTS...The high winds may blow down large trees and damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northeast Bighorn Mountains |
| Effective: | 2025-12-09 @ 2:32 am -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-09 @ 6:00 am -> 2025-12-10 @ 2:45 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-09 @ 2:32 am |
| Headline: | Winter Weather Advisory issued December 9 at 1:32AM MST until December 10 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of snow expected. Total snow accumulations between 4 and 10 inches above 7,000 ft with lesser amounts below. Winds gusting as high as 55 mph. * WHERE...Northeast Bighorn Mountains. * WHEN...From 5 AM early this morning to 5 PM MST Wednesday. * IMPACTS...Travel will be very difficult on Highway 14 through the Bighorns. Widespread blowing snow may significantly reduce visibility. |
| Alert: | High Wind Warning |
| Area(s): | Musselshell; Treasure; Northern Rosebud; Custer; Fallon; Powder River; Carter; Northern Big Horn; Southern Rosebud; Southern Big Horn; Bighorn Canyon; Northern Carbon; Northeastern Yellowstone; Southwestern Yellowstone; Sheridan Foothills |
| Effective: | 2025-12-09 @ 2:25 am -> 2025-12-09 @ 6:00 pm |
| Onset: | 2025-12-09 @ 6:00 am -> 2025-12-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-09 @ 2:25 am |
| Headline: | High Wind Warning issued December 9 at 1:25AM MST until December 9 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...West winds gusting up to 60 mph expected. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...From 5 AM early this morning to 5 PM MST this afternoon. * IMPACTS...Travel across the region will be difficult, especially for high profile vehicles. Outdoor activities will be impacted by strong wind gusts. Secure loose outdoor objects. * ADDITIONAL DETAILS...Strongest winds will be late this morning through mid afternoon. |