000 NZUS43 KFSD 090303 RWSFSD REGIONAL WEATHER SYNOPSIS NATIONAL WEATHER SERVICE SIOUX FALLS SD 1000 PM CDT THU APR 8 2004 A RIDGE OF HIGH PRESSURE OVER THE FAR EASTERN DAKOTAS WILL MOVE EAST INTO MINNESOTA AND IOWA OVERNIGHT. FARTHER TO THE WEST...A FRONTAL BOUNDARY WILL REMAIN NEARLY STATIONARY FROM EASTERN MONTANA TO SOUTHERN SOUTH DAKOTA. AREAS OF LIGHT RAIN WILL BE LIKELY SOUTH OF THIS BOUNDARY...ACROSS SOUTHWEST SOUTH DAKOTA AND WESTERN NEBRASKA OVERNIGHT...WITH SOME LIGHT SNOW POSSIBLE LATER IN THE NIGHT AROUND THE BLACK HILLS AND NEBRASKA PANHANDLE. CLOUDS WILL INCREASE OVER THE REMAINDER OF THE REGION...WITH LOW TEMPERATURES GENERALLY IN THE 20S NORTHEAST...AND 30S SOUTHWEST IN THE REGION. LIGHT RAIN OR LIGHT SNOW WILL REMAIN LIKELY SOUTH OF THE FRONTAL BOUNDARY ON FRIDAY...FROM FAR SOUTHWEST SOUTH DAKOTA ACROSS NEBRASKA INTO FAR SOUTHWEST IOWA. AREAS NORTH AND EAST OF THE BOUNDARY WILL SEE MOSTLY CLOUDY SKIES ON FRIDAY...WITH SCATTERED FLURRIES OR LIGHT RAIN SHOWERS ACROSS MUCH OF THE DAKOTAS AND NORTHERN MINNESOTA...AS AN UPPER LEVEL TROUGH DROPS INTO THE AREA. THE INCREASE IN CLOUDS AND PRECIPITATION WILL KEEP TEMPERATURES QUITE COOL...ESPECIALLY IN THE WEST. HIGHS WILL RANGE FROM 35 TO 45 DEGREES ACROSS THE WESTERN PLAINS...TO THE 50S IN SOUTHEAST MINNESOTA AND EASTERN IOWA. $$