000 AWUS83 KBIS 210942 AAA RWSBIS REGIONAL WEATHER FORECAST NATIONAL WEATHER SERVICE BISMARCK ND 440 AM CDT WED MAY 21 2003 HIGH PRESSURE WILL CONTINUE TO INFLUENCE MUCH OF THE DAKOTAS AND MINNESOTA...AS A WEAK LOW PRESSURE TROUGH IN EASTERN MONTANA BEGINS TO MOVE SLOWLY EAST. THE WEATHER FOR THE NORTHERN PLAINS TODAY... NORTH DAKOTA...PARTLY SUNNY. A CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS NEAR 70. SOUTH DAKOTA...PARTLY SUNNY. A CHANCE OF LATE AFTERNOON THUNDERSTORMS FROM THE SOUTH CENTRAL INTO THE NORTHEAST CORNER. HIGHS FROM THE MID 60S NORTHEAST TO THE LOWER 70S SOUTHWEST. MINNESOTA...PARTLY SUNNY. A CHANCE OF LATE AFTERNOON SHOWERS AND THUNDERSTORMS NORTH. HIGHS FROM THE MID 50S NORTHEAST TO THE UPPER 60S WEST. EASTERN MONTANA...PARTLY TO MOSTLY CLOUDY WITH A SLIGHT CHANCE OF A RAIN SHOWER. HIGHS FROM THE MID 60S TO NEAR 70. SOUTHERN MANITOBA...PARTLY TO MOSTLY SUNNY. CHANCE OF EARLY MORNING SHOWERS. HIGHS NEAR 70. AND FOR SOUTHERN SASKATCHEWAN...MOSTLY SUNNY. HIGHS IN THE MID TO UPPER 60S. $$ VJR