Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Heat Advisory |
| Area(s): | Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Northern Foothills; Rapid City; Southern Foothills; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Bennett; Mellette; Todd; Tripp; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Jackson; Southern Perkins; Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle; Northeastern Crook |
| Effective: | 2026-07-14 @ 4:04 am -> 2026-07-14 @ 7:15 pm |
| Onset: | 2026-07-14 @ 4:04 am -> 2026-07-16 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-14 @ 4:04 am |
| Headline: | Heat Advisory issued July 14 at 3:04AM MDT until July 16 at 9:00PM MDT by NWS Rapid City SD |
| Description: |
* WHAT...Heat index values between 95 and 105. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...Until 9 PM MDT /10 PM CDT/ Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. |
| Alert: | Red Flag Warning |
| Area(s): | Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains |
| Effective: | 2026-07-14 @ 4:02 am -> 2026-07-14 @ 12:15 pm |
| Onset: | 2026-07-14 @ 4:02 am -> 2026-07-14 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-14 @ 4:02 am |
| Headline: | Red Flag Warning issued July 14 at 3:02AM MDT until July 14 at 9:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS... ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, PERKINS COUNTY, WEST CENTRAL PLAINS, ZIEBACH COUNTY, HAAKON COUNTY AREA, AND BADLANDS AREA... ... ....RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, PERKINS COUNTY, WEST CENTRAL PLAINS,ZIEBACH COUNTY, HAAKON COUNTY AREA, NORTHEAST WYOMING PLAINS, AND BADLANDS AREA... * AFFECTED AREA...Fire Weather Zones 314, 315, 316, and 317. * TIMING...Until 9 PM MDT this evening. * WINDS...Southeast winds 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...Relative Humidity between 10 to 20 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | Extreme Heat Warning |
| Area(s): | Cody Foothills; North Bighorn Basin; Southwest Bighorn Basin; Southeast Bighorn Basin; Northeast Johnson County; Southeast Johnson County; Jackson Hole; Upper Wind River Basin; Wind River Basin; Lander Foothills; Green Mountains and Rattlesnake Range; Natrona County Lower Elevations; Star Valley; Upper Green River Basin Foothills; Upper Green River Basin; South Lincoln County; Rock Springs and Green River; Flaming Gorge; East Sweetwater County |
| Effective: | 2026-07-14 @ 1:57 am -> 2026-07-14 @ 10:00 pm |
| Onset: | 2026-07-14 @ 1:57 am -> 2026-07-14 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-07-14 @ 1:57 am |
| Headline: | Extreme Heat Warning issued July 14 at 12:57AM MDT until July 14 at 9:00PM MDT by NWS Riverton WY |
| Description: |
* WHAT...Dangerously hot conditions with temperatures from 100 to 105 degrees below 6,000 feet and 90 to 100 degrees between 6,000 and 7,000 feet each day. * WHERE...Portions of central, north central, northwest, south central, southwest, and west central Wyoming. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Warning |
| Area(s): | Custer; Fallon; Powder River; Carter; Southern Rosebud; Sheridan Foothills |
| Effective: | 2026-07-14 @ 12:49 am -> 2026-07-15 @ 1:00 am |
| Onset: | 2026-07-14 @ 12:49 am -> 2026-07-16 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-07-14 @ 12:49 am |
| Headline: | Extreme Heat Warning issued July 13 at 11:49PM MDT until July 16 at 12:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Extremely hot daytime temperatures combined with warm overnight lows will produce cumulative heat stress. * WHERE...Portions of southeast Montana and north central Wyoming. * WHEN...Until midnight MDT Wednesday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with temperatures of 98 to 106 through Wednesday. Overnight lows will remain well above normal providing only limited relief. |
| Alert: | Heat Advisory |
| Area(s): | Dawes; Box Butte; Scotts Bluff; Banner; Morrill; Kimball; Cheyenne; North Sioux; South Sioux; Converse County Lower Elevations; Niobrara County; East Platte County; Goshen County; Central Laramie County; East Laramie County |
| Effective: | 2026-07-14 @ 12:19 am -> 2026-07-14 @ 7:00 pm |
| Onset: | 2026-07-14 @ 12:19 am -> 2026-07-16 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-07-14 @ 12:19 am |
| Headline: | Heat Advisory issued July 13 at 11:19PM MDT until July 16 at 12:00AM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...Afternoon temperatures will be near or exceed 100 degrees with overnight temperatures dipping to between 65 to 70, providing little relief. * WHERE...Portions of panhandle Nebraska and east central and southeast Wyoming. * WHEN...Until midnight MDT Wednesday Night. * IMPACTS...Hot temperatures and poor hydration may cause heat illnesses or injuries. |
| 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; North Laramie Range and Adjacent High Plains; North Laramie Valley/Shirley Basin; Southwest Carbon County; North Snowy Range Foothills; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-07-13 @ 2:47 pm -> 2026-07-14 @ 7:00 am |
| Onset: | 2026-07-13 @ 2:47 pm -> 2026-07-15 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-07-13 @ 2:47 pm |
| Headline: | Red Flag Warning issued July 13 at 1:47PM MDT until July 15 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
* AFFECTED AREA...Fire weather zones 417, 418, 423, and 430 through 434. * WIND...South to southeast winds 10 to 15 mph gusting up to 35 mph * HUMIDITY...Between 10 and 15 percent * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |