Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Flash Flood Warning |
| Area(s): | Hot Springs, WY |
| Effective: | 2026-07-16 @ 1:39 am -> 2026-07-16 @ 2:30 am |
| Onset: | 2026-07-16 @ 1:39 am -> 2026-07-16 @ 2:30 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Riverton WY on 2026-07-16 @ 1:39 am |
| Headline: | Flash Flood Warning issued July 16 at 12:39AM MDT until July 16 at 1:30AM MDT by NWS Riverton WY |
| Description: |
At 1239 AM MDT, Local law enforcement reported ongoing flash flooding from recent thunderstorms along Buffalo Creek and Buffalo Creek Rd, East Thermopolis and Kirby Creek toward Lucerne. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Hot Springs State Park. This includes the following streams and drainages... Owl Creek, Twin Buttes Draw, Bighorn River, Kirby Creek, Middle Fork Warm Springs Creek, Black Willow Draw, Buffalo Creek and Warm Springs Creek. |
| 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: | 2026-07-15 @ 2:00 pm -> 2026-07-16 @ 7:30 am |
| Onset: | 2026-07-15 @ 2:00 pm -> 2026-07-16 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-15 @ 2:00 pm |
| Headline: | Heat Advisory issued July 15 at 1:00PM 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 may cause heat illnesses. |