Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Natrona County/Casper BLM |
| Effective: | 2026-06-09 @ 1:42 pm -> 2026-06-10 @ 8:00 am |
| Onset: | 2026-06-09 @ 1:42 pm -> 2026-06-10 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-06-09 @ 1:42 pm |
| Headline: | Red Flag Warning issued June 9 at 12:42PM MDT until June 10 at 8:00PM MDT by NWS Riverton WY |
| Description: |
* AFFECTED AREA: In Central WY...Fire Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * IMPACTS: Low Humidities and Strong Gusty Winds could cause erratic fire behavior. * WIND: West 30 to 40 mph with gusts up to 50 to 60 mph. * HUMIDITY: As low as 11 percent. * ADDITIONAL INFORMATION: Conditions are expected to improve around sunset Tuesday evening as humidity improves with fair overnight humidity recovery and wind decreases. Critical fire weather conditions are again expected by late Wednesday morning. |
| 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: | 2026-06-09 @ 12:47 pm -> 2026-06-10 @ 7:00 am |
| Onset: | 2026-06-09 @ 1:00 pm -> 2026-06-10 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-09 @ 12:47 pm |
| Headline: | Red Flag Warning issued June 9 at 11:47AM MDT until June 10 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
* WIND...West to southwest winds 15 to 35 MPH with gusts up to 50 MPH. * HUMIDITY...8 to 12 percent. Overnight recoveries as low as 35 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Dry lightning will be possible on Tuesday with isolated storms during the afternoon and evening hours. |
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2026-06-09 @ 12:16 pm -> 2026-06-10 @ 7:15 am |
| Onset: | 2026-06-09 @ 12:16 pm -> 2026-06-09 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-09 @ 12:16 pm |
| Headline: | High Wind Warning issued June 9 at 11:16AM MDT until June 9 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...For the High Wind Warning, southwest winds 25 to 35 mph with gusts up to 60 mph. For the High Wind Watch, west winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...For the High Wind Warning, until 9 PM MDT this evening. For the High Wind Watch, from late tonight through Wednesday evening. * 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): | Central Laramie Range and Southwest Platte County; South Laramie Range |
| Effective: | 2026-06-09 @ 12:16 pm -> 2026-06-10 @ 7:15 am |
| Onset: | 2026-06-10 @ 7:00 am -> 2026-06-10 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-09 @ 12:16 pm |
| Headline: | High Wind Watch issued June 9 at 11:16AM MDT until June 10 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From Wednesday morning through Wednesday 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): | North Snowy Range Foothills |
| Effective: | 2026-06-09 @ 12:16 pm -> 2026-06-10 @ 7:15 am |
| Onset: | 2026-06-10 @ 4:00 am -> 2026-06-10 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-09 @ 12:16 pm |
| Headline: | High Wind Watch issued June 9 at 11:16AM MDT until June 10 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...For the High Wind Warning, southwest winds 25 to 35 mph with gusts up to 60 mph. For the High Wind Watch, west winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...For the High Wind Warning, until 9 PM MDT this evening. For the High Wind Watch, from late tonight through Wednesday evening. * 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): | Northern Campbell; Southern Campbell; Weston County Plains |
| Effective: | 2026-06-09 @ 12:12 pm -> 2026-06-09 @ 8:15 pm |
| Onset: | 2026-06-09 @ 12:12 pm -> 2026-06-09 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-06-09 @ 12:12 pm |
| Headline: | Red Flag Warning issued June 9 at 11:12AM MDT until June 9 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL, SOUTHERN CAMPBELL, AND WESTON COUNTY PLAINS... * AFFECTED AREA...Fire Weather Zones 314, 315, and 317. * TIMING...Until 8 PM MDT this evening. * WINDS...Southwest winds 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 10 to 20 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |