FNUS75 KMSO 112145 FWSMSO SPOT FORECAST FOR BRISTOW 23 NATIONAL WEATHER SERVICE MISSOULA MT 345 PM MDT WED MAY 11 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WEAK HIGH PRESSURE TONIGHT. MOISTURE WILL INCREASE TONIGHT IN ADVANCE OF AN APPROACHING WEATHER DISTURBANCE. A CHANCE OF SHOWERS THURSDAY MORNING IS EXPECTED AS THE WEAK WEATHER DISTURBANCE MOVES THROUGH NORTHWEST MONTANA. MINIMUM RHS WILL BE 5-12 PERCENT HIGHER THURSDAY AFTERNOON. TEMPERATURES WILL BE 10 DEGREES COOLER. THURSDAY NIGHT...LIGHT NORTH TO NORTHEAST WINDS ARE EXPECTED AT THE SURFACE. INVERSIONS ARE NOT EXPECTED. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS...MAINLY IN THE MORNING AND EARLY AFTERNOON. CWR.................20 PERCENT. MAX TEMPERATURE.....59-64. MIN HUMIDITY........37-42 PERCENT. WIND (20 FT)........LIGHT NORTHEAST 2-5 MPH IN THE MORNING BECOMING SOUTHWEST 4-7 MPH IN THE AFTERNOON. MIXING HEIGHT.......2800 FT AGL. MIXING WINDS........SOUTHWEST 5 MPH. $$ FORECASTER...RPN REQUESTED BY...TIM BUMGARNER TYPE OF REQUEST...PRESCRIBED .TAG 20110512.BRIST.01/MSO