000
NZUS43 KFSD 111015
RWSFSD

REGIONAL WEATHER SYNOPSIS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
415 AM CST THU DEC 11 2003

AREAS OF LIGHT SNOWFALL WILL ACCOMPANY A COUPLE OF WEAK DISTURBANCES
ACROSS THE NORTHERN AND SOUTHERN PORTIONS OF THE REGION TODAY AND 
TONIGHT.  HOWEVER...WITH COLD HIGH PRESSURE DOMINANT AT THE SURFACE 
ACROSS THE NORTHERN PLAINS...MOISTURE WILL BE QUITE LIMITED.  MOST 
AREAS SHOULD FIND LITTLE MORE THAN FLURRIES...WITH PERHAPS A DUSTING 
OF SNOWFALL IN PARTS OF FAR SOUTHERN SOUTH DAKOTA AND NORTHERN 
NEBRASKA THIS MORNING. THE CENTER OF SURFACE HIGH PRESSURE WILL 
BUILD EASTWARD INTO MINNESOTA AND IOWA BY FRIDAY...ALLOWING A 
SOUTHERLY FLOW TO DEVELOP THROUGH THE WESTERN PLAINS. A MORE 
MODERATING WESTERLY FLOW WILL BUILD THROUGH THE PLAINS THIS WEEKEND.

ONE THING FOR CERTAIN...MOST CAN EXPECT CHILLY TEMPERATURES AT THE 
END OF THE WEEK. HIGH TEMPERATURES THIS AFTERNOON WILL BE ANYWHERE 
FROM 10 TO 20 DEGREES BELOW NORMAL...FROM WIDESPREAD SINGLE FIGURES 
IN NORTH DAKOTA...NORTHEAST SOUTH DAKOTA...AND NORTHERN MINNESOTA...
TO LOWER TO MID 20S IN SOUTHWESTERN SOUTH DAKOTA...SOUTHERN AND 
WESTERN NEBRASKA...AND SOUTHERN IOWA.  LOWS TONIGHT SHOULD RANGE 
GENERALLY FROM SINGLE FIGURES BELOW ZERO NORTH AND EAST...TO SINGLE 
FIGURES ABOVE ZERO SOUTH AND WEST. A FEW TEENS WILL BE WEDGED IN 
ACROSS SOUTHERN NEBRASKA AND IOWA. HIGHS FRIDAY WILL RANGE FROM 5 TO 
15 OVER MUCH OF MINNESOTA...TO 25 TO 35 IN THE WESTERN HIGH PLAINS.

$$
CHAPMAN