Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foothills and High Plains; Laramie East High Plains |
| Effective: | 2025-12-18 @ 5:47 pm -> 2025-12-20 @ 12:00 am |
| Onset: | 2025-12-19 @ 11:00 am -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 5:47 pm |
| Headline: | Red Flag Warning issued December 18 at 4:47PM MST until December 19 at 11:00PM MST by NWS Cheyenne WY |
| Description: |
...RED FLAG WARNING IN EFFECT THIS MORNING AND AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING AND THE SOUTHERN NEBRASKA PANHANDLE... ...RED FLAG WARNING NOW IN EFFECT ON FRIDAY FOR MUCH OF THE HIGH PLAINS... ...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR GUSTY WINDS AND LOW Humidity FOR FIRE WEATHER ZONES 430, 431, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 10 AM to 11 PM MST Friday. * AFFECTED AREA...Fire weather zones 430, 431 and 437. * WIND...For today - Gusts 40 to 60 mph. For tomorrow - Gusts 50 to 70 mph. * HUMIDITY...RH values of 15 to 20%. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Although conditions will be borderline, a lack of significant precipitation combined with the high winds in the region will create a critical fire weather environment. |
| Alert: | Red Flag Warning |
| Area(s): | Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2025-12-18 @ 5:47 pm -> 2025-12-20 @ 12:00 am |
| Onset: | 2025-12-19 @ 11:00 am -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 5:47 pm |
| Headline: | Red Flag Warning issued December 18 at 4:47PM MST until December 19 at 11:00PM MST by NWS Cheyenne WY |
| Description: |
...RED FLAG WARNING IN EFFECT THIS MORNING AND AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING AND THE SOUTHERN NEBRASKA PANHANDLE... ...RED FLAG WARNING NOW IN EFFECT ON FRIDAY FOR MUCH OF THE HIGH PLAINS... * AFFECTED AREA...Fire weather zones 434, 435, 417, 418. * WIND...Gusts 40 to 60 mph. * HUMIDITY...RH values 15 to 30%. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Although conditions will be borderline, a lack of significant precipitation combined with the high winds in the region will create a critical fire weather environment. |
| Alert: | High Wind Warning |
| Area(s): | Southern Big Horn; Bighorn Canyon; Sheridan Foothills |
| Effective: | 2025-12-18 @ 3:29 pm -> 2025-12-19 @ 3:00 pm |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-19 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-18 @ 3:29 pm |
| Headline: | High Wind Warning issued December 18 at 2:29PM MST until December 19 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Southwest to west winds with gusts of 50 to 65 mph. * WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In Wyoming, Sheridan Foothills. * WHEN...From 8 PM this evening to 2 PM MST Friday. * IMPACTS...Damaging winds could blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. This includes travel on I-90 through Sheridan. * ADDITIONAL DETAILS...Winds will be erratic, with periodic strong gusts surging down the mountain slopes. The strongest winds are expected late tonight through Friday morning. |
| Alert: | High Wind Warning |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2025-12-18 @ 3:29 pm -> 2025-12-19 @ 3:00 pm |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-19 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-18 @ 3:29 pm |
| Headline: | High Wind Warning issued December 18 at 2:29PM MST until December 19 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Southwest winds with gusts of 60 to 75 mph, strongest along the north and east slopes of the Bighorn Mountains. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 8 PM this evening to 2 PM MST Friday. * IMPACTS...Damaging winds could blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. This includes portions of Highway 14 through the Bighorn Mountains, especially from Dayton to Burgess Junction. * ADDITIONAL DETAILS...The strongest winds are expected tonight into Friday morning. |
| Alert: | Winter Storm Warning |
| Area(s): | Wind River Mountains West; Wind River Mountains East |
| Effective: | 2025-12-18 @ 12:40 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 12:40 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:40 pm |
| Headline: | Winter Storm Warning issued December 18 at 11:40AM MST until December 20 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow expected. Total snow accumulations of 15 to 25 inches with amounts of 2 to 3 feet in the highest elevations. 4 to 8 inches of snow is expected for South Pass. Winds could gust as high as 60 to 70 mph with locally stronger gusts possible. * WHERE...Wind River Mountains East and Wind River Mountains West. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. The hazardous conditions could impact travel along South Pass. Backcountry travel is not advised. |
| Alert: | Winter Storm Warning |
| Area(s): | Salt River and Wyoming Ranges |
| Effective: | 2025-12-18 @ 12:40 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 12:40 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:40 pm |
| Headline: | Winter Storm Warning issued December 18 at 11:40AM MST until December 20 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches with amounts around 24 inches in the highest elevations. Winds gusting as high as 60 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult including over Salt River Pass. Blowing snow could significantly reduce visibility. Backcountry travel is not advised. |
| Alert: | Winter Weather Advisory |
| Area(s): | Jackson Hole; Star Valley |
| Effective: | 2025-12-18 @ 12:40 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 12:40 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:40 pm |
| Headline: | Winter Weather Advisory issued December 18 at 11:40AM MST until December 20 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches with locally higher amounts of 10 to 14 inches in the higher elevations and along the foothills. Winds gusting as high as 45 mph at times. * WHERE...Jackson Hole and Star Valley. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening and Friday morning as well as evening commutes. * ADDITIONAL DETAILS...Locally higher amounts of 10 to 12 inches for northern Jackson Valley, such as around Moran Junction. |
| Alert: | Winter Weather Advisory |
| Area(s): | Upper Green River Basin Foothills |
| Effective: | 2025-12-18 @ 12:40 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 12:40 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:40 pm |
| Headline: | Winter Weather Advisory issued December 18 at 11:40AM MST until December 20 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 2 to 6 inches around Pinedale and Daniel with higher amounts of 6 to 10 inches nearby Bondurant. Winds gusting as high as 40 mph at times. * WHERE...Upper Green River Basin Foothills. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening and Friday morning as well as evening commutes. * ADDITIONAL DETAILS...Temperatures may warm above freezing during the daytime Friday which would lead to a possible transition over to a mix of rain/snow or heavy wet snow. Accumulations may be limited during this time but slick conditions could still be possible. |
| Alert: | Winter Storm Warning |
| Area(s): | Yellowstone National Park |
| Effective: | 2025-12-18 @ 12:40 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 12:40 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:40 pm |
| Headline: | Winter Storm Warning issued December 18 at 11:40AM MST until December 20 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches, with higher amounts of 2 to 3 feet in southern Yellowstone. Total snow around Mammoth is 2 to 6 inches. Winds may be gusting as high as 55 mph at times. * WHERE...Yellowstone National Park. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult, especially in the backcountry. |
| Alert: | Winter Storm Warning |
| Area(s): | Absaroka Mountains; Teton and Gros Ventre Mountains |
| Effective: | 2025-12-18 @ 12:40 pm -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 12:40 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:40 pm |
| Headline: | Winter Storm Warning issued December 18 at 11:40AM MST until December 20 at 5:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Total snow accumulations of 10 to 20 inches with the highest elevations seeing 2 to 3 feet with localized areas greater than 3 feet. Winds gusting as high as 55 mph at times. * WHERE...Absaroka Mountains and Teton and Gros Ventre Mountains. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact travel across Teton and Togwotee Passes. Blowing and drifting of snow is expected. Backcountry travel is not advised. |
| Alert: | High Wind Warning |
| Area(s): | Bighorn Mountains Southeast |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-18 @ 8:00 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. |
| Alert: | High Wind Warning |
| Area(s): | Owl Creek and Bridger Mountains |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-19 @ 2:00 am -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * 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): | Cody Foothills |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-18 @ 8:00 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. |
| Alert: | High Wind Warning |
| Area(s): | Upper Green River Basin; Rock Springs and Green River; Flaming Gorge; East Sweetwater County |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-19 @ 9:00 am -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * 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): | Lander Foothills |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-19 @ 9:00 am -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. |
| Alert: | High Wind Warning |
| Area(s): | Southwest Bighorn Basin; Southeast Bighorn Basin |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-19 @ 2:00 am -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * 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: | 2025-12-18 @ 12:29 pm -> 2025-12-20 @ 12:00 am |
| Onset: | 2025-12-18 @ 8:00 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 11:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. |
| Alert: | High Wind Warning |
| Area(s): | Upper Wind River Basin |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-18 @ 8:00 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. |
| Alert: | High Wind Warning |
| Area(s): | Northeast Johnson County; Southeast Johnson County |
| Effective: | 2025-12-18 @ 12:29 pm -> 2025-12-19 @ 6:00 pm |
| Onset: | 2025-12-18 @ 8:00 pm -> 2025-12-19 @ 8:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-18 @ 12:29 pm |
| Headline: | High Wind Warning issued December 18 at 11:29AM MST until December 19 at 5:00PM MST by NWS Riverton WY |
| Description: |
* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. |
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills; South Laramie Range |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 12:00 pm |
| Onset: | 2025-12-18 @ 6:00 pm -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 50 mph with gusts up to 80 mph expected. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 5 PM this afternoon to 11 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. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Ferris/Seminoe/Shirley Mountains |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 12:00 pm |
| Onset: | 2025-12-18 @ 6:00 pm -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 11:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph possible. * WHERE...Ferris/Seminoe/Shirley Mountains. * WHEN...From 5 PM this afternoon to 11 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. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Shirley Basin; Central Carbon County; Upper North Platte River Basin; Laramie Valley |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Central Carbon County, Shirley Basin, Upper North Platte River Basin, and Laramie Valley. * WHEN...From 8 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. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | East Platte County; Central Laramie County |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-19 @ 12:00 am -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 50 mph with gusts up to 80 mph expected. * WHERE...Central Laramie County and East Platte County. * 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. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Converse County Lower Elevations |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-19 @ 12:00 am -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Converse County Lower Elevations. * 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. * 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; South Laramie Range Foothills |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland, and South Laramie Range Foothills. * WHEN...From 8 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. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | North Laramie Range |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 6:00 am |
| Onset: | 2025-12-18 @ 9:00 pm -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 20 at 5:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 95 mph possible. * WHERE...North Laramie Range. * WHEN...From 8 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. * ADDITIONAL DETAILS...Wildfires will have the potential to spread rapidly in these conditions. |
| Alert: | High Wind Warning |
| Area(s): | Niobrara County; Goshen County; East Laramie County |
| Effective: | 2025-12-18 @ 11:16 am -> 2025-12-20 @ 12:00 am |
| Onset: | 2025-12-19 @ 6:00 am -> 2025-12-19 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-18 @ 11:16 am |
| Headline: | High Wind Warning issued December 18 at 10:16AM MST until December 19 at 11:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Niobrara County, East Laramie County, and Goshen County. * WHEN...From 5 AM to 11 PM 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...Wildfires will have the potential to spread rapidly in these conditions. |