* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Northeastern Granite County in west central Montana...
* WHEN...Until 1030 PM MDT Friday.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 427 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Drummond and New Chicago. - https://www.weather.gov/mso/hydrology