000
NZUS43 KFSD 280221
RWSFSD

REGIONAL WEATHER SYNOPSIS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
920 PM CDT TUE APR 27 2004

HIGH PRESSURE ALOFT WILL KEEP MUCH OF THE NORTHERN PLAINS MOSTLY 
CLEAR TONIGHT. THE EXCEPTION WILL BE OVER NORTHERN AND EAST CENTRAL 
MINNESOTA...WHERE A FEW SHOWERS AND THUNDERSTORMS WILL OCCUR THIS 
EVENING. ON WEDNESDAY...WARM WEATHER WILL CONTINUE AS A LOW PRESSURE 
SYSTEM OVER THE WESTERN HIGH PLAINS PUSHES EAST...AND A COLD FRONT 
BEGINS TO SLIDE ACROSS THE REGION IN THE AFTERNOON. SHOWERS AND 
THUNDERSTORMS WILL BE POSSIBLE ALONG AND BEHIND THIS FRONT DURING 
THE AFTERNOON AND EVENING. THE CHANCE FOR SHOWERS AND THUNDERSTORMS 
WILL EXTEND FROM THE PANHANDLE OF NEBRASKA NORTHEAST TO MINNESOTA. 
BY THURSDAY...MUCH COOLER TEMPERATURES AND A FEW SHOWERS AND 
THUNDERSTORMS ARE EXPECTED ACROSS THE SOUTHERN HALF OF THE HIGH 
PLAINS. 

OVERNIGHT LOWS WILL BE IN THE 40S AND 50S. HIGH TEMPERATURES 
WEDNESDAY WILL RANGE FROM THE MID 50S NORTHWEST IN THE REGION...TO 
THE UPPER 80S AND LOWER 90S SOUTHEAST. LOWS ON WEDNESDAY WILL BE IN 
THE UPPER 20S NORTHWEST...TO AROUND 60 SOUTHEAST. HIGHS THURSDAY 
WILL BE MUCH COOLER ACROSS MOST OF THE REGION...WITH THE UPPER 40S 
AND LOWER 50S NORTH...TO THE 70S SOUTHEAST.

$$