Winter Weather Advisory issued January 21 at 10:25PM MST until January 22 at 8:00AM MST by NWS

…WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST TUESDAY… * WHAT…Mixed precipitation. A glaze of freezing drizzle on most surfaces continuing through daybreak. Light snow accumulations of a dusting to up to one inch on Tuesday. * WHERE…Portions of east central and southeast South Dakota and southwest Minnesota.