433 
AWUS83 KFSD 120943
RWSFSD
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-122300-

REGIONAL WEATHER SYNOPSIS FOR THE NORTH CENTRAL UNITED STATES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
443 AM CDT MON MAY 12 2014


A POTENT SPRING STORM SYSTEM WILL CONTINUE TO LIFT NORTHEAST ACROSS 
THE REGION TODAY AND EXIT INTO THE GREAT LAKES TONIGHT. SHOWERS AND 
THUNDERSTORMS WILL TRACK ACROSS THE EASTERN DAKOTAS AND MUCH OF 
NEBRASKA...IOWA AND MINNESOTA. THUNDERSTORM ACTIVITY WILL BE MAINLY 
EAST OF INTERSTATE 29...WHILE COOLER AIR ARRIVING BEHIND THE SYSTEM 
WILL ALLOW SOME SNOW TO MIX WITH RAIN IN CENTRAL SOUTH DAKOTA AND 
WESTERN NEBRASKA. UP TO AN ADDITIONAL THREE QUARTERS INCH OF 
RAINFALL IS POSSIBLE...WITH THE HIGHEST AMOUNTS IN EASTERN SOUTH 
DAKOTA. PRECIPITATION WILL TAPER OFF FROM SOUTH TO NORTH TONIGHT. 

HIGHS TODAY WILL VARY FROM THE MID 60S CENTRAL IOWA TO THE MID 40S 
IN PORTIONS OF EASTERN SOUTH DAKOTA. LOWS TONIGHT WILL BE IN THE 
30S TO LOWER 40S. TUESDAY WILL REMAIN UNSEASONABLY COOL WITH HIGHS 
IN THE 50S. 

$$