Heavy rainfall fell in the lower foothills Sunday evening. Additional light to moderate rainfall will likely result in minor flooding through this morning in these already saturated areas. This advisory covers areas from the Yellowstone river south into the Beartooth mountains. * WHAT. Minor flooding of small streams and low lying areas caused by excessive rainfall is expected. * WHERE. A portion of south central Montana, including the following counties, northwestern Carbon, southern Stillwater and central Sweet Grass. * WHEN. Until 1215 PM MDT Monday. * IMPACTS. Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry coulees. Water may flow over roadways. * ADDITIONAL DETAILS. - At 244 AM MDT, 1 to 3 inches of rain has fallen since last evening in the advisory area. Additional light to moderate rainfall is forecast through this morning that will likely produce minor flooding within the advisory area. - Additional rainfall amounts up to 1 inch are expected over the area, with locally heavier amounts possible. - Some locations that will experience flooding include. Red Lodge, Columbus, Joliet, Absarokee, Fishtail, Roscoe, Dean, Luther, Cooney Reservoir State Park, Nye, Roberts, Fox, Boyd and Mc Leod. - http://www.weather.gov/safety/flood