997 AWUS85 KGGW 202147 RWSGGW REGIONAL WEATHER SUMMARY NATIONAL WEATHER SERVICE GLASGOW MT 330 PM MDT THU DEC 20 2012 THIS IS THE REGIONAL WEATHER SUMMARY FOR THE EASTERN TWO THIRDS OF MONTANA...SOUTHERN SASKATCHEWAN...AND WESTERN NORTH DAKOTA. SEASONAL NORMAL TEMPERATURES WILL STICK AROUND TO FINISH THE WORK WEEK BEFORE COLDER TEMPERATURES ARRIVE THIS WEEKEND. AN ARCTIC BLAST OF COLD AIR WILL MOVE IN EARLY NEXT WEEK JUST IN TIME FOR CHRISTMAS. LOW TEMPERATURES ACROSS THE REGION TONIGHT WILL RANGE FROM THE SINGLE DIGITS AND UPPER TEENS ABOVE ZERO FOR MOST AREAS...WITH HIGHS ON FRIDAY RISING INTO THE 30S AND 40S. FRIDAY NIGHT LOWS WILL BE SLIGHTLY COLDER...WITH MOST LOCATIONS DROPPING INTO THE SINGLE DIGITS AND LOW TEENS ABOVE ZERO. $$ MM