112 AWUS83 KBIS 191453 RWSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-192300- Regional Weather Forecast National Weather Service Bismarck ND 853 AM CST Tue Dec 19 2017 /753 AM MST Tue Dec 19 2017/ For this Tuesday morning, look for variable cloudy skies across the region with chances for light snow in western and southern Montana, South Dakota, and southern Minnesota. Later this afternoon, expect mild conditions to continue with highs from the lower 20s in northern Minnesota to the upper 40s in southern South Dakota. Measurable snow will begin to push into the region from eastern Montana beginning Tuesday afternoon and spread eastward across the Dakotas and Minnesota Wednesday into Thursday. Very cold air is expected to pour across the region beginning late Wednesday and will continue through the Christmas holiday. $$ Hargrove