Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Central Carbon County; North Snowy Range Foothills; Laramie Valley; South Laramie Range; South Laramie Range Foothills
Effective: 2026-08-28 @ 5:12 pm -> 2026-08-29 @ 1:00 am
Onset: 2026-08-28 @ 5:12 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-08-28 @ 5:12 pm
Headline: Special Weather Statement issued August 28 at 4:12PM MDT by NWS Cheyenne WY
Description: Gusty showers may produce brief erratic wind gusts up to 60 mph
near and along I-80. Drive with caution!

Alert: Flood Watch
Area(s): Yellowstone National Park; Absaroka Mountains; Teton and Gros Ventre Mountains; Jackson Hole; Wind River Mountains West; Star Valley; Salt River and Wyoming Ranges
Effective: 2026-08-28 @ 11:43 am -> 2026-08-29 @ 7:00 am
Onset: 2026-08-28 @ 7:00 pm -> 2026-08-30 @ 1:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Riverton WY on 2026-08-28 @ 11:43 am
Headline: Flood Watch issued August 28 at 10:43AM MDT until August 30 at 12:00PM MDT by NWS Riverton WY
Description: * WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of central, northwest, and west central Wyoming,
including the following areas, in central Wyoming, Wind River
Mountains West. In northwest Wyoming, Absaroka Mountains, Jackson
Hole, Teton and Gros Ventre Mountains and Yellowstone National
Park. In west central Wyoming, Salt River and Wyoming Ranges and
Star Valley.

* WHEN...From 6 PM MDT this evening through Sunday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Increased moisture from the Pacific will move across northwest
Wyoming through the weekend, bringing an extended chance for
showers and thunderstorms. The increased moisture will have the
potential to produce locally heavy rainfall, providing excessive
runoff in flood-prone and low-lying areas.
- http://www.weather.gov/safety/flood