Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Fire Weather Watch |
| Area(s): | Natrona County/Casper BLM; Johnson County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains |
| Effective: | 2026-03-17 @ 3:23 am -> 2026-03-21 @ 10:00 pm |
| Onset: | 2026-03-18 @ 1:00 pm -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Riverton WY on 2026-03-17 @ 3:23 am |
| Headline: | Fire Weather Watch issued March 17 at 2:23AM MDT until March 21 at 9:00PM MDT by NWS Riverton WY |
| Description: |
The National Weather Service in Riverton has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Saturday evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...289. In North Central WY Fire Zone....281. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Johnson. In Southwest WY...Sweetwater. * WIND: West 15 to 25 mph with gusts up to 40 mph. The strongest wind is expected on Wednesday and Saturday. * HUMIDITY: 10 to 15 percent. * TEMPERATURES: Highs in the 70s Wednesday. Lows in 70s to around 80 Thursday through Saturday. |
| Alert: | Fire Weather Watch |
| Area(s): | Lincoln and Uinta Counties/Lower Elevations; Upper Green River Basin/Rock Springs BLM; Sweetwater County/Rock Springs BLM/Flaming Gorge NRA |
| Effective: | 2026-03-17 @ 3:23 am -> 2026-03-21 @ 10:00 pm |
| Onset: | 2026-03-18 @ 1:00 pm -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Riverton WY on 2026-03-17 @ 3:23 am |
| Headline: | Fire Weather Watch issued March 17 at 2:23AM MDT until March 21 at 9:00PM MDT by NWS Riverton WY |
| Description: |
The National Weather Service in Riverton has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Saturday evening. * 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 15 to 25 mph with gusts up to 40 mph. The strongest wind is expected on Wednesday and Saturday. * HUMIDITY: 10 to 15 percent. * TEMPERATURES: Highs around 70 on Wednesday. Highs in the 70s Thursday through Saturday. |
| Alert: | Fire Weather Watch |
| Area(s): | Cody Foothills; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; Owl Creek Mountains |
| Effective: | 2026-03-17 @ 3:23 am -> 2026-03-21 @ 10:00 pm |
| Onset: | 2026-03-18 @ 1:00 pm -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Riverton WY on 2026-03-17 @ 3:23 am |
| Headline: | Fire Weather Watch issued March 17 at 2:23AM MDT until March 21 at 9:00PM MDT by NWS Riverton WY |
| Description: |
The National Weather Service in Riverton has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Saturday evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....283. In North Central WY Fire Zones...276...282...287. * COUNTIES AFFECTED: In Central WY...Fremont. In North Central WY...Hot Springs...Park...Washakie. * WIND: West 15 to 25 mph with gusts up to 45 mph. The strongest wind is expected on Wednesday and Saturday. * HUMIDITY: 10 to 15 percent. * TEMPERATURES: Highs in the 70s Wednesday. Highs in the 70s to lower 80s Thursday through Saturday. |
| Alert: | Fire Weather Watch |
| Area(s): | Fall River County Area; Southern Campbell; Weston County Plains |
| Effective: | 2026-03-17 @ 2:48 am -> 2026-03-18 @ 8:00 pm |
| Onset: | 2026-03-18 @ 11:00 am -> 2026-03-17 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Rapid City SD on 2026-03-17 @ 2:48 am |
| Headline: | Fire Weather Watch issued March 17 at 1:48AM MDT until March 18 at 7:00PM MDT by NWS Rapid City SD |
| Description: |
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE WEDNESDAY ACROSS PORTIONS OF NORTHEASTERN WYOMING AND FAR SOUTHWESTERN SOUTH DAKOTA... .Dry air will spread into portions of northeastern Wyoming and far southwestern South Dakota on Wednesday, leading to relative humidities as low as 15 percent. West winds may exceed 30 mph through the afternoon. The combination of low humidity and gusty winds could support critical fire weather conditions Wednesday afternoon. The National Weather Service in Rapid City has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Wednesday morning through Wednesday evening. * AFFECTED AREA...Fire Weather Zones 315 Southern Campbell, 317 Weston County Plains and 322 Fall River County Area. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...The combination of gusty winds and low relative humidity would produce critical fire weather conditions. |
| Alert: | Red Flag Warning |
| Area(s): | Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-03-17 @ 1:17 am -> 2026-03-17 @ 9:00 pm |
| Onset: | 2026-03-17 @ 11:00 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:17 am |
| Headline: | Red Flag Warning issued March 17 at 12:17AM MDT until March 17 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...TWO PART FIRE WEATHER WATCH... .PART ONE WILL FEATURE STRONG WINDS AND MARGINAL RELATIVE HUMIDITY, PART TWO WILL FEATURE GUSTY WINDS, CRITICAL RELATIVE HUMIDITY AND POOR OVERNIGHT HUMIDITY RECOVERIES. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH SATURDAY EVENING FOR LOW HUMIDITY WITH STRONG AND GUSTY WINDS FOR FIRE WEATHER ZONES 430, 431, 432, 433, 436, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. * AFFECTED AREA...Fire weather zone 430, 431, 432, 433, 436, and 437. * WIND...For the Red Flag Warning, sustained winds 25 to 30 mph, gusting up to 40 mph. For the Fire Weather Watch, sustained winds 20 to 30 mph, gusting up to 35 mph. * HUMIDITY...For the Red Flag Warning, 18 to 22 percent. For the Fire Weather Watch, 10 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor overnight humidity recoveries are expected for the duration of the Fire Weather Watch. Well above average temperatures are also expected which will contribute considerably to the dry conditions. |
| Alert: | Fire Weather Watch |
| Area(s): | Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; 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 |
| Effective: | 2026-03-17 @ 1:17 am -> 2026-03-21 @ 9:00 pm |
| Onset: | 2026-03-18 @ 11:00 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:17 am |
| Headline: | Fire Weather Watch issued March 17 at 12:17AM MDT until March 21 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...TWO PART FIRE WEATHER WATCH... .PART ONE WILL FEATURE STRONG WINDS AND MARGINAL RELATIVE HUMIDITY, PART TWO WILL FEATURE GUSTY WINDS, CRITICAL RELATIVE HUMIDITY AND POOR OVERNIGHT HUMIDITY RECOVERIES. * AFFECTED AREA...Fire weather zone 417, 418, 419, 432, 433, 434,and 435. * WIND...Sustained winds 20 to 30 mph, gusting up to 35 mph. * HUMIDITY...10 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor overnight humidity recoveries are expected for the duration of the Fire Weather Watch. Well above average temperatures are also expected which will contribute considerably to the dry conditions. |
| Alert: | Fire Weather Watch |
| Area(s): | Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-03-17 @ 1:17 am -> 2026-03-21 @ 9:00 pm |
| Onset: | 2026-03-18 @ 11:00 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:17 am |
| Headline: | Fire Weather Watch issued March 17 at 12:17AM MDT until March 21 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...TWO PART FIRE WEATHER WATCH... .PART ONE WILL FEATURE STRONG WINDS AND MARGINAL RELATIVE HUMIDITY, PART TWO WILL FEATURE GUSTY WINDS, CRITICAL RELATIVE HUMIDITY AND POOR OVERNIGHT HUMIDITY RECOVERIES. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH SATURDAY EVENING FOR LOW HUMIDITY WITH STRONG AND GUSTY WINDS FOR FIRE WEATHER ZONES 430, 431, 432, 433, 436, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. * AFFECTED AREA...Fire weather zone 430, 431, 432, 433, 436, and 437. * WIND...For the Red Flag Warning, sustained winds 25 to 30 mph, gusting up to 40 mph. For the Fire Weather Watch, sustained winds 20 to 30 mph, gusting up to 35 mph. * HUMIDITY...For the Red Flag Warning, 18 to 22 percent. For the Fire Weather Watch, 10 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor overnight humidity recoveries are expected for the duration of the Fire Weather Watch. Well above average temperatures are also expected which will contribute considerably to the dry conditions. |
| Alert: | High Wind Warning |
| Area(s): | Laramie Valley; Central Laramie County |
| Effective: | 2026-03-17 @ 1:14 am -> 2026-03-17 @ 7:00 pm |
| Onset: | 2026-03-17 @ 7:00 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:14 am |
| Headline: | High Wind Warning issued March 17 at 12:14AM MDT until March 17 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 and Laramie Valley. * WHEN...From 6 AM this morning to 6 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...Areas of blowing dust will be possible which could reduce visibility. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie Range and Southwest Platte County |
| Effective: | 2026-03-17 @ 1:14 am -> 2026-03-17 @ 7:00 pm |
| Onset: | 2026-03-17 @ 1:14 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:14 am |
| Headline: | High Wind Warning issued March 17 at 12:14AM MDT until March 17 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 6 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...Areas of blowing dust will be possible which could reduce visibility. |
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2026-03-17 @ 1:14 am -> 2026-03-18 @ 1:00 am |
| Onset: | 2026-03-17 @ 1:14 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:14 am |
| Headline: | High Wind Warning issued March 17 at 12:14AM MDT until March 18 at 12:00AM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until midnight MDT tonight. * 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: | 2026-03-17 @ 1:14 am -> 2026-03-18 @ 1:00 am |
| Onset: | 2026-03-17 @ 1:14 am -> 2026-03-17 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-03-17 @ 1:14 am |
| Headline: | High Wind Warning issued March 17 at 12:14AM MDT until March 18 at 12:00AM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until midnight MDT tonight. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...Dry conditions along Interstate 80 combined with high winds will lead to critical fire conditions throughout the afternoon hours Tuesday. |