Cheyenne, Wyoming
Regional Weather Alerts
| 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 @ 4:21 am -> 2026-07-26 @ 10:00 pm |
| Onset: | 2026-07-26 @ 4:21 am -> 2026-07-26 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-07-26 @ 4:21 am |
| Headline: | Heat Advisory issued July 26 at 3:21AM 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 this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Some locations will not see temperatures fall below 90 degrees until sunset. Temperatures at midnight will still be 75 to 80 degrees. Overnight low temperatures eventually bottom-out in the mid to upper 60s. |
| 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 @ 2:01 am -> 2026-07-26 @ 7:15 pm |
| Onset: | 2026-07-26 @ 2:01 am -> 2026-07-26 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-07-26 @ 2:01 am |
| Headline: | Heat Advisory issued July 26 at 1:01AM 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): | Central Laramie County; East Laramie County |
| Effective: | 2026-07-26 @ 2:01 am -> 2026-07-26 @ 7:15 pm |
| Onset: | 2026-07-26 @ 2:01 am -> 2026-07-26 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-07-26 @ 2:01 am |
| Headline: | Heat Advisory issued July 26 at 1:01AM 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): | Musselshell; Treasure; Northern Stillwater; Golden Valley; Red Lodge Foothills; Northern Big Horn; Beartooth Foothills; Southern Big Horn; Southeastern Carbon; Bighorn Canyon; Northern Carbon; Northeastern Yellowstone; Southwestern Yellowstone; Sheridan Foothills |
| Effective: | 2026-07-25 @ 11:45 pm -> 2026-07-26 @ 10:00 pm |
| Onset: | 2026-07-25 @ 11:45 pm -> 2026-07-26 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-07-25 @ 11:45 pm |
| Headline: | Heat Advisory issued July 25 at 10:45PM MDT until July 26 at 9:00PM MDT by NWS Billings MT |
| Description: |
* WHAT...Temperatures of 95 to 100 degrees expected. * WHERE...Portions of central and south central Montana and north central Wyoming. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will become dangerous to anyone without adequate cooling and hydration. |
| Alert: | Heat Advisory |
| Area(s): | Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle |
| Effective: | 2026-07-25 @ 11:03 pm -> 2026-07-26 @ 2:15 pm |
| Onset: | 2026-07-25 @ 11:03 pm -> 2026-07-26 @ 9:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-25 @ 11:03 pm |
| Headline: | Heat Advisory issued July 25 at 10:03PM MDT until July 26 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
* WHAT...Heat index values up to 101. * WHERE...Newcastle, Northern Campbell, Southern Campbell, Western Crook, and Weston County Plains. * WHEN...Until 8 PM MDT Sunday. * IMPACTS...Hot temperatures and high humidity 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: | 2026-07-25 @ 11:03 pm -> 2026-07-26 @ 2:15 pm |
| Onset: | 2026-07-25 @ 11:03 pm -> 2026-07-26 @ 9:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-25 @ 11:03 pm |
| Headline: | Heat Advisory issued July 25 at 10:03PM MDT until July 26 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
* WHAT...Heat index values up to 103. * WHERE...Portions of northwestern and southwestern South Dakota and northeast Wyoming. * WHEN...Until 8 PM MDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. |