Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Fall River County Area; Pine Ridge Area; Southern Campbell; Weston County Plains |
| Effective: | 2026-06-10 @ 4:03 am -> 2026-06-10 @ 12:30 pm |
| Onset: | 2026-06-10 @ 12:00 pm -> 2026-06-10 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-06-10 @ 4:03 am |
| Headline: | Red Flag Warning issued June 10 at 3:03AM MDT until June 10 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, PINE RIDGE AREA, SOUTHERN CAMPBELL, AND WESTON COUNTY PLAINS... .Temperatures will not be as warm today as compared to yesterday, but very dry air and gusty winds are expected to return across portions of the northeast Wyoming plains and far southwest South Dakota. Relative humidity as low as 11 percent and westerly wind gusts up to 45 mph are expected late Wednesday morning through the early evening. * AFFECTED AREA...Fire Weather Zones 315, 317, 322, and 326. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...West winds 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 11 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | High Wind Watch |
| Area(s): | Central Laramie Range and Southwest Platte County; South Laramie Range |
| Effective: | 2026-06-10 @ 2:11 am -> 2026-06-10 @ 5:15 pm |
| 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 2026-06-10 @ 2:11 am |
| Headline: | High Wind Watch issued June 10 at 1:11AM 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 6 AM MDT this morning through this 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: | 2026-06-10 @ 2:11 am -> 2026-06-10 @ 5:15 pm |
| 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 2026-06-10 @ 2:11 am |
| Headline: | High Wind Watch issued June 10 at 1:11AM MDT until June 10 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Through this 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): | 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: | 2026-06-10 @ 2:09 am -> 2026-06-10 @ 5:00 pm |
| Onset: | 2026-06-10 @ 2:09 am -> 2026-06-10 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-10 @ 2:09 am |
| Headline: | Red Flag Warning issued June 10 at 1:09AM MDT until June 10 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
* WIND...West to southwest winds 15 to 30 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. |
| Alert: | Red Flag Warning |
| Area(s): | Natrona County/Casper BLM |
| Effective: | 2026-06-09 @ 11:27 pm -> 2026-06-10 @ 9:00 pm |
| Onset: | 2026-06-09 @ 11:27 pm -> 2026-06-10 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-06-09 @ 11:27 pm |
| Headline: | Red Flag Warning issued June 9 at 10:27PM 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 25 to 35 mph with gusts up to 45 to 55 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Lows in the mid to upper 40s. Highs in the low to mid 70s. * ADDITIONAL INFORMATION: Conditions has improved for the overnight hours into Wednesday morning. Critical fire weather conditions are again expected by mid Wednesday morning as winds increase and humidity values drop once again. |