* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of west central Montana, including the following areas, Bitterroot/Sapphire Mountains, Butte/Blackfoot Region and Missoula/Bitterroot Valleys.
This includes the following Specific Areas... Missoula, Butte, Frontage Road from Bearmouth to Drummond, West Valley near Anaconda, Philipsburg, Eds Gulch in Drummond, New Chicago area just east of Drummond, Johnson Fire Burn Area, Daly Fire Burn Area and Sharrott Fire Burn Area.
* WHEN...Through this evening.
* IMPACTS...Excessive runoff 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... - Slow moving thunderstorm producing heavy rain. - https://www.weather.gov/mso/hydrology