Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | Northern Black Hills; Southern Foothills; Central Black Hills; Southern Black Hills; Wyoming Black Hills |
| Effective: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 9:00 am |
| Onset: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2025-12-17 @ 3:56 pm |
| Headline: | High Wind Warning issued December 17 at 2:56PM MST until December 18 at 8:00AM MST by NWS Rapid City SD |
| Description: |
* WHAT...Northwest winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...In South Dakota, Southern Foothills, Central Black Hills, Northern Black Hills, and Southern Black Hills. In Wyoming, Wyoming Black Hills. * WHEN...Until 8 AM MST Thursday. * IMPACTS...The high winds may 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. * ADDITIONAL DETAILS...Greatly reduced visibility in falling snow of less than one mile is possible overnight tonight. |
| Alert: | High Wind Warning |
| Area(s): | Harding; Northern Perkins; Butte; Northern Meade Co Plains; Northern Foothills; Western Fall River; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Southern Perkins; Newcastle; Northeastern Crook |
| Effective: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2025-12-17 @ 3:56 pm |
| Headline: | High Wind Warning issued December 17 at 2:56PM MST until December 18 at 11:00AM MST by NWS Rapid City SD |
| Description: |
* WHAT...Northwest winds 30 to 50 mph with gusts up to 75 to 80 mph. * WHERE...Portions of northwestern and southwestern South Dakota and northeast Wyoming. * WHEN...Until 11 AM MST Thursday. * IMPACTS...The high winds may 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. 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. * ADDITIONAL DETAILS...Greatly reduced visibility in falling snow of less than one mile is possible overnight tonight. |
| Alert: | High Wind Warning |
| Area(s): | Southern Campbell; Weston County Plains |
| Effective: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 6:00 am |
| Onset: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2025-12-17 @ 3:56 pm |
| Headline: | High Wind Warning issued December 17 at 2:56PM MST until December 18 at 5:00AM MST by NWS Rapid City SD |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Southern Campbell and Weston County Plains. * WHEN...Until 5 AM MST Thursday. * IMPACTS...The high winds may 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. * ADDITIONAL DETAILS...Greatly reduced visibility in falling snow of less than one mile is possible overnight tonight. |
| Alert: | High Wind Warning |
| Area(s): | Northern Campbell; Western Crook |
| Effective: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 6:00 am |
| Onset: | 2025-12-17 @ 3:56 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2025-12-17 @ 3:56 pm |
| Headline: | High Wind Warning issued December 17 at 2:56PM MST until December 18 at 5:00AM MST by NWS Rapid City SD |
| Description: |
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Northern Campbell and Western Crook. * WHEN...Until 5 AM MST Thursday. * IMPACTS...The high winds may 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. * ADDITIONAL DETAILS...Greatly reduced visibility in falling snow of less than one mile is possible overnight tonight. |
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 80 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 80 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday afternoon through Saturday 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): | East Platte County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 100 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 90 mph possible. * WHERE...East Platte County. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie Range and Southwest Platte County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 85 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 90 mph possible. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday 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): | Niobrara County; Goshen County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Niobrara County and Goshen County. * WHEN...Until 11 AM MST Thursday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 80 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 80 mph possible. * WHERE...Central Laramie County. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Upper North Platte River Basin; Laramie Valley |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 1:00 am |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday evening, west winds 35 to 45 mph with gusts up to 70 mph. Thursday night through Friday, southwest winds 35 to 45 mph with gusts up to 70 mph possible. * 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 Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Ferris/Seminoe/Shirley Mountains |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 1:00 am |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday evening, west winds 35 to 45 mph with gusts up to 75 mph. Thursday night through Friday, southwest winds 35 to 45 mph with gusts up to 75 mph possible. * WHERE...Ferris/Seminoe/Shirley Mountains. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday afternoon through Saturday 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): | Converse County Lower Elevations |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 1:00 am |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 40 mph with gusts up to 70 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 40 mph with gusts up to 60 mph expected. Thursday night through Friday, west winds 30 to 45 mph with gusts up to 75 mph possible. * WHERE...Converse County Lower Elevations. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Shirley Basin; Central Carbon County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 1:00 am |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday evening, west winds 35 to 45 mph with gusts up to 75 mph. Thursday night through Friday, southwest winds 35 to 45 mph with gusts up to 75 mph possible. * WHERE...Central Carbon County and Shirley Basin. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday evening through late Friday 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): | North Laramie Range |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 1:00 am |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 100 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 95 mph possible. * WHERE...North Laramie Range. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | South Laramie Range Foothills |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 85 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 85 mph possible. * WHERE...South Laramie Range Foothills. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | East Laramie County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 40 mph with gusts up to 75 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 40 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...East Laramie County. * WHEN...Until 11 AM MST Thursday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | South Laramie Range |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 12:00 pm |
| Onset: | 2025-12-17 @ 3:52 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Warning issued December 17 at 2:52PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 80 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 80 mph possible. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday afternoon through Saturday 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): | North Snowy Range Foothills |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 12:00 pm |
| Onset: | 2025-12-18 @ 6:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 80 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 80 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday afternoon through Saturday 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): | East Platte County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-19 @ 12:00 am -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 100 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 90 mph possible. * WHERE...East Platte County. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Watch |
| Area(s): | South Laramie Range |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 12:00 pm |
| Onset: | 2025-12-18 @ 6:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 80 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 80 mph possible. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday afternoon through Saturday 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): | Ferris/Seminoe/Shirley Mountains |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 12:00 pm |
| Onset: | 2025-12-18 @ 6:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday evening, west winds 35 to 45 mph with gusts up to 75 mph. Thursday night through Friday, southwest winds 35 to 45 mph with gusts up to 75 mph possible. * WHERE...Ferris/Seminoe/Shirley Mountains. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday afternoon through Saturday 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): | Converse County Lower Elevations |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-19 @ 12:00 am -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 40 mph with gusts up to 70 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 40 mph with gusts up to 60 mph expected. Thursday night through Friday, west winds 30 to 45 mph with gusts up to 75 mph possible. * WHERE...Converse County Lower Elevations. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Watch |
| Area(s): | Central Laramie County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-19 @ 12:00 am -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 80 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 80 mph possible. * WHERE...Central Laramie County. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Watch |
| Area(s): | Shirley Basin; Central Carbon County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday evening, west winds 35 to 45 mph with gusts up to 75 mph. Thursday night through Friday, southwest winds 35 to 45 mph with gusts up to 75 mph possible. * WHERE...Central Carbon County and Shirley Basin. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday evening through late Friday 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): | North Laramie Range |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 100 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 95 mph possible. * WHERE...North Laramie Range. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Watch |
| Area(s): | Upper North Platte River Basin; Laramie Valley |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday evening, west winds 35 to 45 mph with gusts up to 70 mph. Thursday night through Friday, southwest winds 35 to 45 mph with gusts up to 70 mph possible. * 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 Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Watch |
| Area(s): | South Laramie Range Foothills |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 85 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 85 mph possible. * WHERE...South Laramie Range Foothills. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Watch |
| Area(s): | Central Laramie Range and Southwest Platte County |
| Effective: | 2025-12-17 @ 3:52 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 3:52 pm |
| Headline: | High Wind Watch issued December 17 at 2:52PM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Wednesday afternoon, west winds 30 to 50 mph with gusts up to 85 mph expected. Wednesday night and Thursday morning, northwest winds 30 to 45 mph with gusts up to 65 mph expected. Thursday night through Friday, west winds 30 to 50 mph with gusts up to 90 mph possible. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...For the High Wind Warning, until 11 AM MST Thursday. For the High Wind Watch, from Thursday evening through late Friday 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): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2025-12-17 @ 3:14 pm -> 2025-12-18 @ 3:00 am |
| Onset: | 2025-12-17 @ 3:14 pm -> 2025-12-18 @ 3:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-17 @ 3:14 pm |
| Headline: | High Wind Warning issued December 17 at 2:14PM MST until December 18 at 2:00AM MST by NWS Billings MT |
| Description: |
* WHAT...West winds gusting 65 to 75 mph expected. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 2 AM MST Thursday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. Recreation in the high country will be difficult. * ADDITIONAL DETAILS...Areas of light snow are expected tonight, which combined with the strong winds could lead to blowing snow and reduced visibility. |
| Alert: | High Wind Warning |
| Area(s): | Southern Big Horn; Bighorn Canyon; Sheridan Foothills |
| Effective: | 2025-12-17 @ 3:14 pm -> 2025-12-18 @ 3:00 am |
| Onset: | 2025-12-17 @ 3:14 pm -> 2025-12-18 @ 3:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-17 @ 3:14 pm |
| Headline: | High Wind Warning issued December 17 at 2:14PM MST until December 18 at 2:00AM MST by NWS Billings MT |
| Description: |
* WHAT...West winds gusting 55 to 70 mph occurring. * WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In Wyoming, Sheridan Foothills. * WHEN...Until 2 AM MST Thursday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. This includes travel on I-90 through Sheridan. Secure loose outdoor items. |
| Alert: | High Wind Warning |
| Area(s): | Southwest Wyoming |
| Effective: | 2025-12-17 @ 2:28 pm -> 2025-12-17 @ 9:00 pm |
| Onset: | 2025-12-17 @ 2:28 pm -> 2025-12-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Salt Lake City UT on 2025-12-17 @ 2:28 pm |
| Headline: | High Wind Warning issued December 17 at 1:28PM MST until December 17 at 8:00PM MST by NWS Salt Lake City UT |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts in excess of 70 mph expected. * WHERE...Southwest Wyoming. * WHEN...Until 8 PM MST this evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult to impossible for high profile vehicles and vehicles with trailers along SR-89 and US-189 where strongest crosswinds are favored, in addition to I-80. |
| Alert: | Winter Storm Warning |
| Area(s): | Yellowstone National Park; Absaroka Mountains; Teton and Gros Ventre Mountains; Wind River Mountains West; Wind River Mountains East; Salt River and Wyoming Ranges |
| Effective: | 2025-12-17 @ 12:43 pm -> 2025-12-18 @ 12:00 am |
| Onset: | 2025-12-17 @ 12:43 pm -> 2025-12-18 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:43 pm |
| Headline: | Winter Storm Warning issued December 17 at 11:43AM MST until December 17 at 11:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations 2 to 6 inches. Winds gusting 50 to 70 mph, with isolated higher gusts. * WHERE...Portions of central, northwest, and west central Wyoming. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel will likely be very difficult, especially along mountain passes like Teton, Togwotee, and South Pass due to a combination of strong winds and falling snow reducing visibilities. * ADDITIONAL DETAILS...Areas of winds near 85 mph possible, especially for eastern mountain slopes, like the eastern Absaroka and Wind River Mountains. |
| Alert: | High Wind Warning |
| Area(s): | Upper Wind River Basin |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 12:00 am |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 17 at 11:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | Green Mountains and Rattlesnake Range; Natrona County Lower Elevations; Casper Mountain |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 12:00 am |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 17 at 11:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Wind prone locations, like Outer Drive in Casper, could see stronger wind gusts up to around 75 mph. |
| Alert: | High Wind Warning |
| Area(s): | East Sweetwater County |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 12:00 am |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 17 at 11:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph. * WHERE...East Sweetwater County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | North Bighorn Basin; Southeast Bighorn Basin |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-17 @ 6:00 pm |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-17 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 17 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southeast Bighorn Basin and North Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds are more likely westwards. |
| Alert: | High Wind Warning |
| Area(s): | Southwest Bighorn Basin; Owl Creek and Bridger Mountains; Southeast Johnson County; Wind River Basin; Lander Foothills; Upper Green River Basin Foothills; Upper Green River Basin; South Lincoln County; Rock Springs and Green River; Flaming Gorge |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-17 @ 6:00 pm |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-17 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 17 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Lander Foothills, Owl Creek and Bridger Mountains, Southwest Bighorn Basin, Wind River Basin, Southeast Johnson County, Flaming Gorge, Rock Springs and Green River, South Lincoln County, Upper Green River Basin, and Upper Green River Basin Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated stronger winds to around 80 mph are possible along eastern slopes of amounts, like around the Lander Foothills. |
| Alert: | High Wind Warning |
| Area(s): | Bighorn Mountains West; Bighorn Mountains Southeast |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 6:00 am |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 18 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected. Isolated stronger winds to 80 mph are possible on the eastern slopes of the Bighorn Mountains. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until 5 AM MST Thursday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow accumulations 3 to 5 inches along Powder River Pass. Higher amounts are likely north of the pass, in the higher terrain. |
| Alert: | High Wind Warning |
| Area(s): | Cody Foothills |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 6:00 am |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 18 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 AM MST Thursday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger winds to 80 mph could occur, downsloping from the Absaroka Mountains. |
| Alert: | High Wind Warning |
| Area(s): | Northeast Johnson County |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 6:00 am |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-18 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 18 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Northwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County. * WHEN...Until 5 AM MST Thursday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will primarily be from the west during the daytime hours Wednesday. Winds shift to be from the north/northwest Wednesday evening. |
| Alert: | High Wind Warning |
| Area(s): | Jackson Hole; Star Valley |
| Effective: | 2025-12-17 @ 12:36 pm -> 2025-12-17 @ 6:00 pm |
| Onset: | 2025-12-17 @ 12:36 pm -> 2025-12-17 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-17 @ 12:36 pm |
| Headline: | High Wind Warning issued December 17 at 11:36AM MST until December 17 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 60 mph. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. |
| Alert: | Winter Weather Advisory |
| Area(s): | Sierra Madre Range; Snowy Range |
| Effective: | 2025-12-17 @ 2:58 am -> 2025-12-17 @ 7:00 pm |
| Onset: | 2025-12-17 @ 10:00 am -> 2025-12-17 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-17 @ 2:58 am |
| Headline: | Winter Weather Advisory issued December 17 at 1:58AM MST until December 17 at 6:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Snow expected. Total snow accumulation of 5 to 10 inches, mainly above 9000 feet in elevation. Winds gusting as high as 70 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 9 AM this morning to 6 PM MST this evening. * 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: | Air Quality Alert |
| Area(s): | Northern Campbell; Southern Campbell |
| Effective: | 2025-12-16 @ 6:53 pm |
| Onset: | 2025-12-16 @ 6:53 pm -> 2025-12-18 @ 9:00 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Rapid City SD on 2025-12-16 @ 6:53 pm |
| Headline: | Air Quality Alert issued December 16 at 5:53PM MST by NWS Rapid City SD |
| Description: |
The following message is transmitted in collaboration with the Wyoming Department of Environmental Quality, Air Quality Division. * WHAT...Southwest winds 30 to 40 mph. Gusts to 60 mph are expected, especially across southern Campbell County. Winds will switch to the northwest late Wednesday afternoon. * WHERE...Powder River Basin of northeastern Wyoming. * WHEN...Wednesday through early Thursday morning. * IMPACTS...The strong winds will create blowing dust. |