000
AWUS83 KFSD 202122
RWSFSD
SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-IAZ001>003-
012>014-020>022-031-032-NEZ013-014-211200-

REGIONAL WEATHER SYNOPSIS FOR THE NORTH CENTRAL UNITED STATES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
422 PM CDT MON MAY 20 2013

A LARGE UPPER LOW WILL DOMINATE THE NORTHERN PLAINS WEATHER OVER THE
NEXT COUPLE OF DAYS. THIS LOW WILL PERSIST IN KEEPING CONDITIONS
UNSETTLED...WITH CHANCES FOR SHOWERS AND A FEW THUNDERSTORMS
REMAINING THROUGH TUESDAY. THE RAINFALL WILL BE MORE PREVALENT OVER
THE NORTHERN HALF OF THE REGION...WITH THE ACTIVITY MUCH MORE
SCATTERED THROUGHOUT THE SOUTHERN AREAS. BY WEDNESDAY AS THE UPPER
LOW MOVES INTO THE NORTHERN MISSISSIPPI VALLEY...THE RAINFALL
CHANCES WILL MOVE EASTWARD PRIMARILY AFFECTING THE EASTERN PLAINS.
FURTHER OUT...THE WEATHER WILL BE QUIET ON THURSDAY...WITH CHANCES
FOR THUNDERSTORMS RETURNING AGAIN FRIDAY AND FRIDAY NIGHT.

LOWS TONIGHT WILL MAINLY BE IN THE MID 40S TO MID 50S. BECAUSE OF
THE UPPER LOW...HIGHS ON TUESDAY WILL VARY GREATLY...FROM AROUND
ONLY 50 IN CENTRAL SOUTH DAKOTA...TO THE LOWER 70S IN SOUTHWEST IOWA.

$$