* WHAT...Wet snow expected. Storm total snow accumulations 3 to 6 inches, locally higher amounts possible. Most snow accumulation confined to areas above 5500 feet elevation. Winds gusting as high as 35 mph.
* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming Black Hills.
* WHEN...Until 5 AM MST Tuesday.
* IMPACTS...Plan on slippery road conditions. Roads, and especially bridges and overpasses, will likely become slick and hazardous.