Headline:
Flood Watch issued September 18 at 3:07AM MDT until September 20 at 6:00PM MDT by NWS Riverton WY
Event:
Flood Watch
Urgency:
Future
Effective:
September 18, 2026 - 2:07am
Expires:
September 18, 2026 - 5:00pm
Description:
* WHAT...Flash flooding caused by moderate to heavy rainfall is
possible, especially in terrain and poor drainage areas.
* WHERE...Portions of central, north central, and northwest Wyoming,
including the following areas, in central Wyoming, Owl Creek and
Bridger Mountains. In north central Wyoming, Bighorn Mountains
Southeast, Bighorn Mountains West, Northeast Johnson County and
Southeast Johnson County. In northwest Wyoming, Absaroka Mountains
and Cody Foothills.
* WHEN...From noon MDT today through Sunday afternoon.
* IMPACTS...Excessive rainfall may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- A slow moving weather system will move across Wyoming today
through Sunday and bring rounds of showers and thunderstorms to
the region, especially northern Wyoming. Any shower or
thunderstorm could produce moderate to heavy rainfall across the
Watch Area.
- http://www.weather.gov/safety/flood
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Absaroka Mountains; Cody Foothills; Owl Creek and Bridger Mountains; Bighorn Mountains West; Bighorn Mountains Southeast; Northeast Johnson County; Southeast Johnson County
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov