Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | East Platte County; Goshen County; Laramie Valley; East Laramie County |
| Effective: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...East Laramie County, East Platte County, Goshen County, and Laramie Valley. * WHEN...From 6 PM this evening to 6 PM MDT Thursday. * 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 |
| Effective: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 4:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 55 mph with gusts up to 80 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 3 PM this afternoon to 6 PM MDT Thursday. * 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 County |
| Effective: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 4:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Laramie County. * WHEN...From 3 PM this afternoon to 6 PM MDT Thursday. * 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 Snowy Range Foothills |
| Effective: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 10:00 am -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 9 AM this morning to 6 PM MDT Thursday. * 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: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 4:00 pm |
| Onset: | 2026-04-22 @ 1:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 3:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Converse County Lower Elevations. * WHEN...From noon today to 3 PM MDT Thursday. * 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; Southwest Carbon County; Upper North Platte River Basin |
| Effective: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 4:00 pm |
| Onset: | 2026-04-22 @ 10:00 am -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 3:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, Southwest Carbon County, and Upper North Platte River Basin. * WHEN...From 9 AM this morning to 3 PM MDT Thursday. * 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): | South Laramie Range; South Laramie Range Foothills |
| Effective: | 2026-04-22 @ 2:30 am -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 4:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:30 am |
| Headline: | High Wind Warning issued April 22 at 1:30AM MDT until April 23 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 50 mph with gusts up to 80 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 3 PM this afternoon to 6 PM MDT Thursday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |
| Alert: | Red Flag Warning |
| Area(s): | North Bighorn Basin/Worland BLM; Cody Foothills; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; South Bighorn Mountains; Owl Creek Mountains; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain |
| Effective: | 2026-04-22 @ 2:27 am -> 2026-04-22 @ 9:00 pm |
| Onset: | 2026-04-22 @ 10:00 am -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-04-22 @ 2:27 am |
| Headline: | Red Flag Warning issued April 22 at 1:27AM MDT until April 22 at 8:00PM MDT by NWS Riverton WY |
| Description: |
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 9 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * AFFECTED AREA: In Central WY Fire Zones...280...283...285...289...300. In North Central WY Fire Zones...275...276...281...282...287. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. In Southwest WY...Sweetwater. * IMPACTS: Low Humidities and Strong Gusty Winds could cause erratic fire behavior. * WIND: Southwest 25 to 40 mph with gusts up to 55 mph. * HUMIDITY: As low as 10 to 13 percent. * ADDITIONAL DETAILS: Occasional gusts of or around 60 mph are possible. |
| 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; Lodgepole Creek/Southern Nebraska Panhandle; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-04-22 @ 2:19 am -> 2026-04-22 @ 9:00 pm |
| Onset: | 2026-04-22 @ 2:19 am -> 2026-04-22 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-22 @ 2:19 am |
| Headline: | Red Flag Warning issued April 22 at 1:19AM MDT until April 22 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...MULTI DAY RED FLAG WARNING IS IN EFFECT UNTIL WEDNESDAY EVENING... * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, 433, 434, 435, 436, and 437. * WIND... Southwest winds with gusts between 35 and 50 mph on Wednesday. * HUMIDITY...5 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Winter Weather Advisory |
| Area(s): | Absaroka Mountains |
| Effective: | 2026-04-22 @ 2:13 am -> 2026-04-24 @ 12:00 am |
| Onset: | 2026-04-22 @ 1:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-04-22 @ 2:13 am |
| Headline: | Winter Weather Advisory issued April 22 at 1:13AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches for elevations 9,000 feet and above. Winds gusting between 50 and 70 mph, especially across the eastern portions of the Absaroka Mountains. * WHERE...Absaroka Mountains. * WHEN...From noon today to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, especially in the backcountry. * ADDITIONAL DETAILS...Total snow accumulations of 1 to 4 inches along US 14/60/20 west of Cody and across Chief Joseph Pass. |
| Alert: | Winter Weather Advisory |
| Area(s): | Salt River and Wyoming Ranges |
| Effective: | 2026-04-22 @ 2:13 am -> 2026-04-24 @ 12:00 am |
| Onset: | 2026-04-22 @ 1:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-04-22 @ 2:13 am |
| Headline: | Winter Weather Advisory issued April 22 at 1:13AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches, with the highest peaks seeing accumulations around 15 inches. Winds gusting between 35 and 50 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From noon today to 11 PM MDT Thursday. * IMPACTS...Travel could be difficult, including over Salt River Pass. * ADDITIONAL DETAILS...Total snow accumulations of 1 to 3 inches across Salt River Pass. |
| Alert: | Winter Weather Advisory |
| Area(s): | Teton and Gros Ventre Mountains |
| Effective: | 2026-04-22 @ 2:13 am -> 2026-04-24 @ 12:00 am |
| Onset: | 2026-04-22 @ 1:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-04-22 @ 2:13 am |
| Headline: | Winter Weather Advisory issued April 22 at 1:13AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches for elevations above 7,500 feet. Total accumulations around 20 inches are possible for the highest elevations of the Teton Mountains. Winds gusting between 30 and 40 mph, with gusts around 50 mph across the highest elevations. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From noon today to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass. * ADDITIONAL DETAILS...Total snow accumulations of 1 to 3 inches are possible for elevations below 7,500 feet. |
| Alert: | Winter Weather Advisory |
| Area(s): | Yellowstone National Park |
| Effective: | 2026-04-22 @ 2:13 am -> 2026-04-24 @ 12:00 am |
| Onset: | 2026-04-22 @ 1:00 pm -> 2026-04-22 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-04-22 @ 2:13 am |
| Headline: | Winter Weather Advisory issued April 22 at 1:13AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 5 and 12 inches, with the accumulations up to 18 inches across the Pitchstone Plateau in southwest Yellowstone. Winds gusting between 30 and 45 mph. * WHERE...Yellowstone National Park. * WHEN...From noon today to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Total snow accumulation of 1 to 3 inches at Mammoth and 6 to 9 inches around Old Faithful and Canyon. |
| Alert: | Red Flag Warning |
| Area(s): | Northern Black Hills; Central Black Hills; Southern Black Hills; Fall River County Area; Northern Foot Hills; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; Butte County Area; Perkins County; West Central Plains; Ziebach County; Haakon County Area; Badlands Area; Bennett County Area; Mellette and Todd Counties; Tripp County; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains; Wyoming Black Hills |
| Effective: | 2026-04-21 @ 10:36 pm -> 2026-04-22 @ 9:00 pm |
| Onset: | 2026-04-22 @ 11:00 am -> 2026-04-22 @ 1:45 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-04-21 @ 10:36 pm |
| Headline: | Red Flag Warning issued April 21 at 9:36PM MDT until April 22 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING IN EFFECT LATE WEDNESDAY MORNING THROUGH EARLY EVENING ACROSS NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA... .Hot, dry, and windy conditions will support widespread critical fire weather conditions Wednesday, mainly in the afternoon and evening. Temperatures tomorrow will range from the 80s to mid 90s with minimum humidities dropping to as low as 9%. Meanwhile, southwesterly winds will increase through the morning as a cold front approaches the region. Sustained winds will be at 20 to 30 mph with gusts of 35 to 45 mph. Scattered thunderstorms are possible across western to central South Dakota Wednesday afternoon and evening. These storms may contain cloud-to-ground lightning and erratic winds with gusts in excess of 50 mph while producing very little precip. This could lead to fire initiation. Conditions will improve Wednesday evening as temperatures fall, humidity rises, and a cold front quickly crosses the area. * AFFECTED AREA...Fire Weather Zones 314 Northern Campbell, 315 Southern Campbell, 316 Crook County Plains, 317 Weston County Plains, 318 Wyoming Black Hills, 319 Northern Black Hills, 320 Central Black Hills, 321 Southern Black Hills, 322 Fall River County Area, 323 Northern Foot Hills, 324 Eastern Foot Hills, 325 Custer County Plains, 326 Pine Ridge Area, 327 Butte County Area, 328 Perkins County, 329 West Central Plains, 330 Ziebach County, 331 Haakon County Area, 332 Badlands Area, 333 Bennett County Area, 334 Mellette and Todd Counties and 335 Tripp County. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low relative humidity would produce critical fire weather conditions. |