Flood Watch issued September 18 at 1:10PM MDT until September 20 at

* 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...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 and around
steep terrain.

* 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