Brad Shoemaker, Director of the Department of Emergency Services for Yellowstone County, MT has issued the following warning regarding flooding of low lying areas near the confluence of the Yellowstone and Big Horn River south of Custer:

Yellowstone County is issuing an alert regarding the flooding of low lying areas near the confluence of the Yellowstone River and Big Horn River south of Custer, MT.
If you live or have livestock in this area, you may need to take precautions. If you live or are traveling in this area take precautions if you live in a low area or come upon any flooding while traveling.

There are no known impacts to roadways at this time, please report roadway flooding to Yellowstone Co. Department of Emergency Services at 406-256-2776.