Flood Watch issued April 27 at 3:46AM MDT until April 28 at 6:00PM MDT by NWS Billings MT

Runoff from a combination of heavy rain and some mid elevation snow
melt may cause flooding of streams and low lying areas in and
downstream of the foothills. Moderate to heavy rainfall over recent
burn areas (Robertson Draw and American Fork) may produce flash
flooding in and downstream of the burned area.

* WHAT…Flooding caused by rain and snowmelt remains a threat.

* WHERE…A portion of south central Montana, including the
following areas, Absaroka/Beartooth Mountains, Beartooth
Foothills, Crazy Mountains, Livingston Area, Melville Foothills,
Northern Carbon, Northern Park, Northern Stillwater, Northern
Sweet Grass, Paradise Valley, Red Lodge Foothills and Southeastern
Carbon.

* WHEN…From 3 PM MDT this afternoon through Monday afternoon.

* IMPACTS…Excessive runoff may result in flooding of streams and
other low-lying and flood-prone locations close to the foothills.
Some roads may become impassable. Now is the time to move
equipment and livestock to higher ground away from waterways.
Recent burn scars may be more susceptible to produce flash
flooding, including the Robertson Draw south of Red Lodge and the
American Fork in the Crazy mountains.

* ADDITIONAL DETAILS…
– Thunderstorms this afternoon will turn to more persistent
rain this evening into the overnight hours. Snow levels will
fall from 9500 feet this evening to around 5000 feet Monday
morning. Rain falling on snow may melt 1 to 3 inches of snow
water before cooler temperatures change precipitation to snow
ending the snowmelt. The combination of precipitation and
snowmelt may result in a 2 to 5 inch water event with rapid
runoff filling small streams and creeks along the foothills.
– http://www.weather.gov/safety/flood