...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM MST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations 3 to locally 7 inches with the highest snowfall rates tonight, especially over the higher elevations. * WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming Black Hills. * WHEN...From noon today to 6 AM MST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. &&