Thunderstorms with very heavy rain will produce localized flooding across the area this evening.
* WHAT...Areas of flooding caused by excessive rainfall are expected.
* WHERE...Musselshell County in central Montana... Northeastern Yellowstone County in south central Montana... Northern Rosebud County in southeastern Montana... Northern Treasure County in southeastern Montana...
* WHEN...Until 1130 PM MDT.
* IMPACTS...Expect localized flooding in low-lying and poor drainage areas, rises in small streams and normally dry drainages, ponding of water in urban areas.
* ADDITIONAL DETAILS... - At 836 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen, and pockets of very heavy rain continue. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in areas of flooding. - Some locations that may experience flooding include... Roundup, Hysham, Melstone, Musselshell, Klein and Ingomar. - The heaviest rain is occurring north of Interstate 94. - http://www.weather.gov/safety/flood