Flood Watch

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of central and southwest Montana, including the following areas, in central Montana, Elkhorn and Boulder Mountains. In southwest Montana, Northwest Beaverhead County.

* WHEN...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 thunderstorms producing heavy rain. - http://www.weather.gov/safety/flood