231 AWUS83 KFSD 121546 RWSFSD SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-IAZ001>003- 012>014-020>022-031-032-NEZ013-014-122200- REGIONAL WEATHER SYNOPSIS FOR THE NORTH CENTRAL UNITED STATES NATIONAL WEATHER SERVICE SIOUX FALLS SD 950 AM CST THU JAN 12 2012 A SOLIDLY BELOW NORMAL DAY WILL BE FOUND FOR THE FIRST TIME IN OVER A MONTH ACROSS THE ENTIRE NORTHERN PLAINS. LOW PRESSURE DEEPENING ACROSS THE GREAT LAKES WILL KEEP CLOUDS...FLURRIES...AND BLUSTERY NORTHWEST WINDS FROM 20 TO 40 MPH A FEATURE OF THE WEATHER OVER THE EASTERN HALF OF THE REGION...WHILE SUNSHINE STARTS THE DAY IN THE WEST. HOWEVER... ANOTHER WEAK DISTURBANCE WILL RIPPLE SOUTHWARD THROUGH THE WESTERN PLAINS...INCREASING CLOUDS AND BRINGING A CHANCE FOR LIGHT SNOWFALL TO NORTHWEST SOUTH DAKOTA AND THE BLACK HILLS AREA THIS AFTERNOON AND EVENING. WINDS WILL DIMINISH GRADUALLY TONIGHT...TURNING WESTERLY AND ALLOWING MILDER AIR TO START WORKING THROUGH THE WESTERN PLAINS ON FRIDAY. THE COLDEST DAY OF THE SEASON SO FAR IS EXPECTED TODAY...WITH HIGHS VARYING FROM SINGLE DIGITS ABOVE ZERO IN NORTHERN MINNESOTA...TO UPPER 20S TO LOWER 30S IN THE FAR WESTERN PLAINS. TONIGHT...LOWS WILL BE MAINLY IN THE SINGLE DIGITS ABOVE AND BELOW ZERO...WITH TEENS IN THE WESTERN PLAINS. WIND CHILLS THROUGH FRIDAY MORNING WILL LIKELY REMAIN BELOW ZERO OVER THE EASTERN HALF OF THE REGION. $$