000 AWUS83 KBIS 271010 RWSBIS REGIONAL WEATHER FORECAST NATIONAL WEATHER SERVICE BISMARCK ND 510 AM CDT MON MAY 26 2002 WEAK HIGH PRESSURE WILL BE OVER THE REGION...HOWEVER THE ATMOSPHERE WILL BECOME INCREASINGLY UNSTABLE THIS AFTERNOON...LEADING TO A CHANCE OF THUNDERSTORMS IN SOME AREAS. THE WEATHER FOR THE NORTHERN PLAINS TODAY... NORTH DAKOTA...PARTLY SUNNY WEST AND CENTRAL WITH A CHANCE OF SHOWERS OR THUNDERSHOWERS THIS AFTERNOON. MOSTLY SUNNY EAST. HIGHS 75 TO 80. SOUTH DAKOTA...PARTLY CLOUDY. A CHANCE OF AFTERNOON THUNDERSTORMS IN THE WEST AND SOUTH. HIGHS OF 70 TO 80. MINNESOTA...MOSTLY SUNNY NORTH. PARTLY SUNNY SOUTH WITH A CHANCE OF SHOWERS OR A FEW THUNDERSTORMS. HIGHS FROM THE UPPER 60S NORTHEAST TO THE UPPER 70S SOUTH. EASTERN MONTANA...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSHOWERS. HIGHS IN THE MID TO UPPER 70S. AND FOR SOUTHERN MANITOBA AND SOUTHEASTERN SASKATCHEWAN...SUNNY. HIGHS NEAR 80. $$ RSL