Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | Converse County Lower Elevations; Ferris/Seminoe/Shirley Mountains; North Snowy Range Foothills |
| Effective: | 2026-03-30 @ 3:02 pm -> 2026-03-30 @ 11:00 pm |
| Onset: | 2026-03-30 @ 3:02 pm -> 2026-03-30 @ 11:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-30 @ 3:02 pm |
| Headline: | High Wind Warning issued March 30 at 2:02PM MDT until March 30 at 10:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80, Converse County Lower Elevations, and Ferris/Seminoe/Shirley Mountains. * WHEN...Until 10 PM MDT this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Isolated showers this afternoon and evening may produce sudden changes in wind speed and/or direction with little to no rainfall. |
| Alert: | Winter Weather Advisory |
| Area(s): | Sierra Madre Range; Snowy Range |
| Effective: | 2026-03-30 @ 2:17 pm -> 2026-04-01 @ 10:00 pm |
| Onset: | 2026-03-31 @ 7:00 pm -> 2026-03-31 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-30 @ 2:17 pm |
| Headline: | Winter Weather Advisory issued March 30 at 1:17PM MDT until April 1 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...High elevation snow expected. Total snow accumulations between 6 and 12 inches mainly above 9000 feet in elevation. Winds gusting as high as 45 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 6 PM Tuesday to 9 PM MDT 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: | Red Flag Warning |
| Area(s): | Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; North Laramie Range and Adjacent High Plains; North Laramie Valley/Shirley Basin; Ferris/Seminoe/Shirley Mountains; Central and West Carbon; Southwest Carbon County; Upper North Platte River Basin; North Snowy Range Foothills; 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: | 2026-03-30 @ 2:09 pm -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 2:09 pm -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-30 @ 2:09 pm |
| Headline: | Red Flag Warning issued March 30 at 1:09PM MDT until March 30 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
...RED FLAG WARNINGS ARE IN EFFECT THROUGH 9PM FOR MOST OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE... * AFFECTED AREA...All of southeast Wyoming except the higher mountains where snow cover remains, including fire weather zones 417, 418, 419, 420, 421, 422, 423, 425, 427, 428, 429, 430, 431, 432, and 433. * WIND...West winds 20 to 30 mph with gusts of 35 to 55 mph. * HUMIDITY...10 to 15 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Widely scattered showers are expected this afternoon & evening. These will have the potential to produce gusty and erratic winds and a few isolated lightning strikes with little to no precipitation. |
| 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; West Central Plains; Badlands Area; Bennett County Area; Mellette and Todd Counties; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains; Wyoming Black Hills |
| Effective: | 2026-03-30 @ 1:51 pm -> 2026-03-30 @ 9:00 pm |
| Onset: | 2026-03-30 @ 1:51 pm -> 2026-03-30 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-03-30 @ 1:51 pm |
| Headline: | Red Flag Warning issued March 30 at 12:51PM MDT until March 30 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT /9 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 329, 332, 333, AND 334... .A strong cold front will move through the area late this afternoon and early this evening. Ahead of the cold front, west winds will increase to 15-25 MPH with gusts from 30-40 MPH. Minimum relative humidities will drop as low as 12%. Gusty northwest winds will occur behind the cold front. High temperatures will be unseasonably warm (15-25F above normal). This combination will lead to critical fire weather conditions this afternoon and early evening, especially considering antecedent very dry and warm weather as well as the drought. * 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, 329 West Central Plains, 332 Badlands Area, 333 Bennett County Area, and 334 Mellette and Todd Counties. * WINDS...West 15 to 25 MPH with gusts 30 to 40 MPH. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...The combination of gusty winds and low relative humidity would produce critical fire weather conditions. |
| Alert: | Red Flag Warning |
| Area(s): | North Bighorn Basin/Worland BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM |
| Effective: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-03-30 @ 4:01 am |
| Headline: | Red Flag Warning issued March 30 at 3:01AM MDT until March 30 at 9:00PM MDT by NWS Riverton WY |
| Description: |
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In North Central WY...Fire Weather Zones 275...281 and 282. * COUNTIES AFFECTED: In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. * WIND: Southwest 20 to 30 mph with gusts up to 50 mph. * HUMIDITY: As low as 13 percent. * TEMPERATURES: Highs in the lower 70s to mid 70s. |
| Alert: | Red Flag Warning |
| Area(s): | Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain |
| Effective: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-03-30 @ 4:01 am |
| Headline: | Red Flag Warning issued March 30 at 3:01AM MDT until March 30 at 9:00PM MDT 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 Weather Zones 280...289 and 300. upper 60s to middle 70s * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater. * WIND: Southwest 20 to 30 mph with gusts up to 50 mph. * HUMIDITY: As low as 13 percent. * TEMPERATURES: Highs in the mid 60s to near 70. |
| Alert: | Red Flag Warning |
| Area(s): | South Bighorn Mountains; Owl Creek Mountains |
| Effective: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-03-30 @ 4:01 am |
| Headline: | Red Flag Warning issued March 30 at 3:01AM MDT until March 30 at 9:00PM MDT 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....285. In North Central WY Fire Zone....287. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Hot Springs...Johnson...Washakie. * WIND: West 25 to 35 mph with gusts up to 55 mph. * HUMIDITY: As low as 15 percent. * TEMPERATURES: Highs in the 60s. |
| Alert: | Red Flag Warning |
| Area(s): | Cody Foothills |
| Effective: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-03-30 @ 4:01 am |
| Headline: | Red Flag Warning issued March 30 at 3:01AM MDT until March 30 at 9:00PM MDT by NWS Riverton WY |
| Description: |
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In North Central WY...Fire Weather Zone 276. * COUNTIES AFFECTED: In North Central WY...Park. * WIND: Southwest 25 to 35 mph with gusts up to 55 mph. * HUMIDITY: As low as 15 percent. * TEMPERATURES: Highs in the 60s. |
| Alert: | Red Flag Warning |
| Area(s): | Upper Wind River Basin/Wind River Basin |
| Effective: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-03-30 @ 4:01 am |
| Headline: | Red Flag Warning issued March 30 at 3:01AM MDT until March 30 at 9:00PM MDT 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 Weather Zone 283. * COUNTIES AFFECTED: In Central WY...Fremont. * WIND: West 25 to 35 mph with gusts up to 50 mph. * HUMIDITY: As low as 14 percent. * TEMPERATURES: Highs in the upper 60s to mid 70s. |
| Alert: | Red Flag Warning |
| Area(s): | Lincoln and Uinta Counties/Lower Elevations; Upper Green River Basin/Rock Springs BLM; Sweetwater County/Rock Springs BLM/Flaming Gorge NRA |
| Effective: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Onset: | 2026-03-30 @ 4:01 am -> 2026-03-30 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-03-30 @ 4:01 am |
| Headline: | Red Flag Warning issued March 30 at 3:01AM MDT until March 30 at 9:00PM MDT by NWS Riverton WY |
| Description: |
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 20 to 30 mph with gusts up to 45 mph. * HUMIDITY: As low as 15 percent. * TEMPERATURES: Highs in mid 60s to near 70. |