Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Southern Black Hills; Fall River County Area; Custer County Plains; Pine Ridge Area; Badlands Area; Bennett County Area; Mellette and Todd Counties; Tripp County; Southern Campbell; Weston County Plains |
| Effective: | 2026-02-15 @ 6:12 am -> 2026-02-15 @ 6:00 pm |
| Onset: | 2026-02-15 @ 12:00 pm -> 2026-02-15 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-02-15 @ 6:12 am |
| Headline: | Red Flag Warning issued February 15 at 5:12AM MST until February 15 at 5:00PM MST by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING SUNDAY FOR PORTIONS OF NORTHEAST WY INTO SOUTH CENTRAL SD... .Unseasonably warm weather will combine with very dry air (RH as low as 14 percent) and gusty westerly winds (gusts 25 to 35 mph) to create critical fire weather conditions Sunday afternoon for portions of northeastern Wyoming through south-central South Dakota. * AFFECTED AREA...Fire Weather Zones 315 Southern Campbell, 317 Weston County Plains, 321 Southern Black Hills, 322 Fall River County Area, 325 Custer County Plains, 326 Pine Ridge Area, 332 Badlands Area, 333 Bennett County Area, 334 Mellette and Todd Counties and 335 Tripp County. * WINDS...Southwest 10 to 20 mph with gusts 25 to 35 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...The combination of gusty winds and low relative humidity will produce critical fire weather conditions. |
| Alert: | Red Flag Warning |
| Area(s): | Natrona County/Casper BLM; Johnson County/Casper BLM |
| Effective: | 2026-02-15 @ 3:45 am -> 2026-02-15 @ 6:00 pm |
| Onset: | 2026-02-15 @ 12:00 pm -> 2026-02-15 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-02-15 @ 3:45 am |
| Headline: | Red Flag Warning issued February 15 at 2:45AM MST until February 15 at 5:00PM MST by NWS Riverton WY |
| Description: |
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....280. In North Central WY Fire Zone....Southern Zone 281. * COUNTIES AFFECTED: In Central WY...Natrona. In North Central WY...Southern Johnson. * WIND: Southwest 15 to 25 mph with gusts up to 40 mph. * HUMIDITY: As low as 15 to 20 percent. * TEMPERATURES: Highs in the mid to upper 50s. |
| 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; Southern Laramie Valley; Southern Laramie Range; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-02-15 @ 1:29 am -> 2026-02-15 @ 6:00 pm |
| Onset: | 2026-02-15 @ 12:00 pm -> 2026-02-15 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-02-15 @ 1:29 am |
| Headline: | Red Flag Warning issued February 15 at 12:29AM MST until February 15 at 5:00PM MST by NWS Cheyenne WY |
| Description: |
* AFFECTED AREA...Fire weather zones 417, 418, 428, 429, 430, 431, 432, 433 in Wyoming. Fire weather zones 434, 435, 436, 437 in western Nebraska. * WIND...West to southwest winds at 15 to 20 MPH with gusts up to 30 MPH. * HUMIDITY...12 to 17 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | High Wind Watch |
| Area(s): | Converse County Lower Elevations; Central Laramie Range and Southwest Platte County; East Platte County; Laramie Valley |
| Effective: | 2026-02-15 @ 1:27 am -> 2026-02-17 @ 7:00 pm |
| Onset: | 2026-02-17 @ 6:00 am -> 2026-02-15 @ 4:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-02-15 @ 1:27 am |
| Headline: | High Wind Watch issued February 15 at 12:27AM MST until February 17 at 6:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 35 to 50 mph with gusts around 70 mph possible. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland, Converse County Lower Elevations, East Platte County, and Laramie Valley. * WHEN...From late Monday night through Tuesday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |
| Alert: | High Wind Watch |
| Area(s): | Ferris/Seminoe/Shirley Mountains; Shirley Basin; Central Carbon County; North Snowy Range Foothills; Southwest Carbon County; Upper North Platte River Basin |
| Effective: | 2026-02-15 @ 1:27 am -> 2026-02-17 @ 9:00 pm |
| Onset: | 2026-02-17 @ 3:00 am -> 2026-02-15 @ 4:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-02-15 @ 1:27 am |
| Headline: | High Wind Watch issued February 15 at 12:27AM MST until February 17 at 8:00PM MST by NWS Cheyenne WY |
| Description: |
* WHAT...Southwest winds 30 to 45 mph with gusts up to 65 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80, Ferris/Seminoe/Shirley Mountains, Shirley Basin, Central Carbon County, Southwest Carbon County, and Upper North Platte River Basin. * WHEN...From late Monday night through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |