000 AWUS83 KBIS 312156 RWSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-312300- REGIONAL WEATHER FORECAST NATIONAL WEATHER SERVICE BISMARCK ND 455 PM CDT SAT JUL 31 2004 A WEAK LOW PRESSURE DEVELOPING IN SOUTH DAKOTA WILL BE A FOCUS FOR THUNDERSTORMS. THE WEATHER FOR THE NORTHERN PLAINS TONIGHT... NORTH DAKOTA...PARTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. LOWS 55 NORTH TO 65 SOUTHEAST CORNER. SOUTH DAKOTA...TORNADO WATCH NORTHEAST AND EAST CENTRAL...PARTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS REMAINDER OF FAR NORTH AND EAST. MOSTLY CLEAR SOUTHWEST. LOWS IN THE 60S...TO UPPER 50S FAR SOUTHWEST. MINNESOTA...TORNADO WATCH CENTRAL AND MUCH OF THE SOUTH...A CHANCE OF SHOWERS AND THUNDERSTORMS ELSEWHERE. LOWS FROM THE UPPER 40S NORTH TO MID 60S SOUTH. EASTERN MONTANA...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER TO UPPER 50S. SOUTHERN MANITOBA...A FEW SHOWERS OR THUNDERSTORMS...POSSIBLY SEVERE. LOWS IN THE MIDDLE 50S. SOUTHERN SASKATCHEWAN...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS EARLY...CLEARING OVERNIGHT. LOWS AROUND 50. $$ LLP