000 FNUS73 KBIS 261343 FWSBIS SPOT FORECAST FOR FOUR BEARS...THREE AFFILIATED TRIBES NATIONAL WEATHER SERVICE BISMARCK ND 843 AM CDT MON SEP 26 2005 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL MOVE SOUTH OUT OF NORTH DAKOTA TODAY AS LOW PRESSURE DEVELOPS IN SOUTHERN SASKATCHEWAN. AN UPPER LEVEL DISTURBANCE WILL APPROACH THE REGION LATE TUESDAY AND BRING A CHANCE OF SHOWERS AND THUNDERSTORMS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....72-77. MIN HUMIDITY........25-30 PERCENT. 20 FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. HAINES INDEX........4 (LOW). MIXING HEIGHT.......AROUND 5000 FT AGL. TRANSPORT WINDS.....WEST AROUND 10 MPH. LAL.................1. CWR.................0 PERCENT. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....42-47. MAX HUMIDITY........80-85 PERCENT. 20 FOOT WINDS.......WEST WINDS AROUND 5 MPH. MIXING HEIGHT.......AROUND 300 FT AGL. TRANSPORT WINDS.....WEST AROUND 15 MPH. LAL.................1. CWR.................0 PERCENT. .TUESDAY... SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY CLOUDY. MAX TEMPERATURE.....57-62. MIN HUMIDITY........45-50 PERCENT. 20 FOOT WINDS.......WEST WINDS AROUND 5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON. HAINES INDEX........5 (MODERATE). MIXING HEIGHT.......AROUND 1600 FT AGL. TRANSPORT WINDS.....WEST AROUND 15 MPH. LAL.................1. CWR.................10 PERCENT. $$ FORECASTER...LEBLANG REQUESTED BY...MARLE BAKER REASON FOR REQUEST...PRESCRIBED .TAG 20050926.FOURB.01/BIS