* WHAT...Flash flooding caused by excessive rainfall is 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...From 6 AM MDT this morning 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