000 NZUS43 KFSD 182112 RWSFSD REGIONAL WEATHER SYNOPSIS NATIONAL WEATHER SERVICE SIOUX FALLS SD 310 PM CST THU DEC 18 2003 STRONG WINDS WILL CONTINUE ACROSS THE NORTHERN PLAINS THIS AFTERNOON...BUT SHOULD DECREASE TONIGHT AS CANADIAN HIGH PRESSURE BUILDS INTO THE NORTHERN PLAINS. THE HIGH WILL CONTINUE MOVING OVER THE REGION FRIDAY. THIS WILL BRING MOSTLY CLEAR SKIES TO THE NORTHERN PLAINS. HIGH TEMPERATURES TODAY ARE GOING TO VARY FROM THE 40S OVER THE WESTERN HIGH PLAINS OF THE DAKOTAS AND NEBRASKA...TO THE UPPER 20S OVER AREAS OF EASTERN AND NORTHERN MINNESOTA. $$ WILLIAMS