Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Heat Advisory
Area(s): Musselshell; Northern Stillwater; Golden Valley; Red Lodge Foothills; Northern Big Horn; Judith Gap; Beartooth Foothills; Southern Big Horn; Southeastern Carbon; Northern Sweet Grass; Northern Carbon; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Sheridan Foothills
Effective: 2026-07-26 @ 1:59 pm -> 2026-07-26 @ 10:00 pm
Onset: 2026-07-26 @ 1:59 pm -> 2026-07-26 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-07-26 @ 1:59 pm
Headline: Heat Advisory issued July 26 at 12:59PM MDT until July 26 at 9:00PM MDT by NWS Billings MT
Description: * WHAT...Temperatures up to 99 occurring.

* WHERE...Portions of central and south central Montana and north
central Wyoming.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Heat Advisory
Area(s): Harding; Northern Perkins; Butte; Northern Meade Co Plains; Northern Foothills; Rapid City; Southern Foothills; Custer Co Plains; Pennington Co Plains; Western Fall River; Northern Oglala Lakota; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Perkins; Northeastern Crook
Effective: 2026-07-26 @ 1:27 pm -> 2026-07-26 @ 9:00 pm
Onset: 2026-07-26 @ 1:27 pm -> 2026-07-26 @ 9:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2026-07-26 @ 1:27 pm
Headline: Heat Advisory issued July 26 at 12:27PM MDT until July 26 at 8:00PM MDT by NWS Rapid City SD
Description: * WHAT...Heat index values up to 105.

* WHERE...Portions of northwestern and southwestern South Dakota and
northeast Wyoming.

* WHEN...Until 8 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Heat Advisory
Area(s): Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle
Effective: 2026-07-26 @ 1:27 pm -> 2026-07-26 @ 9:00 pm
Onset: 2026-07-26 @ 1:27 pm -> 2026-07-26 @ 9:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2026-07-26 @ 1:27 pm
Headline: Heat Advisory issued July 26 at 12:27PM MDT until July 26 at 8:00PM MDT by NWS Rapid City SD
Description: * WHAT...Heat index values to around 100.

* WHERE...Newcastle, Northern Campbell, Southern Campbell, Western
Crook, and Weston County Plains.

* WHEN...Until 8 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Heat Advisory
Area(s): Central Laramie County; East Laramie County
Effective: 2026-07-26 @ 1:16 pm -> 2026-07-26 @ 10:00 pm
Onset: 2026-07-26 @ 1:16 pm -> 2026-07-26 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-07-26 @ 1:16 pm
Headline: Heat Advisory issued July 26 at 12:16PM MDT until July 26 at 9:00PM MDT by NWS Cheyenne WY
Description: * WHAT...Afternoon high temperatures between 96 and 100 degrees.
Overnight low temperatures in the mid 60s.

* WHERE...Central and eastern Laramie County.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Heat Advisory
Area(s): Box Butte; Scotts Bluff; Banner; Morrill; Kimball; Cheyenne; South Sioux; Converse County Lower Elevations; Niobrara County; East Platte County; Goshen County
Effective: 2026-07-26 @ 1:16 pm -> 2026-07-26 @ 10:00 pm
Onset: 2026-07-26 @ 1:16 pm -> 2026-07-26 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-07-26 @ 1:16 pm
Headline: Heat Advisory issued July 26 at 12:16PM MDT until July 26 at 9:00PM MDT by NWS Cheyenne WY
Description: * WHAT...Afternoon high temperatures between 102 and 108 degrees.
Overnight low temperatures in the upper 60s to mid 70s.

* WHERE...Portions of panhandle Nebraska and east central and
southeast Wyoming.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Heat Advisory
Area(s): Cody Foothills; North Bighorn Basin; Southwest Bighorn Basin; Southeast Bighorn Basin; Northeast Johnson County; Southeast Johnson County; Wind River Basin; Lander Foothills; Natrona County Lower Elevations
Effective: 2026-07-26 @ 12:59 pm -> 2026-07-26 @ 10:00 pm
Onset: 2026-07-26 @ 12:59 pm -> 2026-07-26 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2026-07-26 @ 12:59 pm
Headline: Heat Advisory issued July 26 at 11:59AM MDT until July 26 at 9:00PM MDT by NWS Riverton WY
Description: * WHAT...Very hot conditions with high temperatures from 95 to 102
degrees.

* WHERE...Lower elevations of central and north-central Wyoming, east
of the Continental Divide.

* WHEN...Until 9 PM MDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Some locations will not see temperatures fall
below 90 degrees until sunset.