Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Flood Watch |
| Area(s): | Absaroka Mountains; Cody Foothills; Southwest Bighorn Basin; Owl Creek and Bridger Mountains |
| Effective: | 2026-07-16 @ 7:27 am -> 2026-07-16 @ 7:00 pm |
| Onset: | 2026-07-16 @ 7:27 am -> 2026-07-17 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Riverton WY on 2026-07-16 @ 7:27 am |
| Headline: | Flood Watch issued July 16 at 6:27AM MDT until July 17 at 12:00AM MDT by NWS Riverton WY |
| Description: |
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and northwest Wyoming, including the following areas, in central Wyoming, Owl Creek and Bridger Mountains and Southwest Bighorn Basin. In northwest Wyoming, Absaroka Mountains and Cody Foothills. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Slow moving showers and thunderstorms could produce an inch or more of rain over a short period of time, bringing local flash flooding. - http://www.weather.gov/safety/flood |
| 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: | 2026-07-16 @ 2:15 am -> 2026-07-16 @ 5:15 pm |
| Onset: | 2026-07-16 @ 2:15 am -> 2026-07-16 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-16 @ 2:15 am |
| Headline: | Heat Advisory issued July 16 at 1:15AM MDT until July 16 at 9:00PM MDT by NWS Rapid City SD |
| Description: |
* WHAT...Heat index values 95 to 103. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...Until 9 PM MDT /10 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. |