FNUS75 KMSO 211638 FWSMSO SPOT FORECAST FOR PRINTERS 7 NATIONAL WEATHER SERVICE MISSOULA MT 1038 AM MDT SAT MAY 21 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...THE ATMOSPHERE WILL MOISTEN UP IN THE FORM OF CUMULUS CLOUDS AHEAD OF AN APPROACHING WEATHER DISTURBANCE FROM THE SOUTHWEST. DEWPOINTS WILL REMAIN STEADY OR SLIGHTLY INCREASE THUS THUS LIMITING MIN RHS TO AROUND THE UPPER 30% RANGE OR HIGHER. INSTABILITY WILL INCREASE AS THE WEATHER DISTURBANCE APPROACHES. A FEW SHOWERS ARE POSSIBLE AFTER 1600. EXPECT AN INCREASE IN SCATTERED SHOWERS FROM 2000 THIS EVENING THROUGH SUNDAY MORNING. .TODAY... SKY/WEATHER.........MOSTLY SUNNY THIS MORNING...INCREASING CUMULUS CLOUDS LATE THIS MORNING AND AFTERNOON. SLIGHT CHANCE OF A SHOWER AFTER 1600. CWR.................10 PERCENT. MAX TEMPERATURE.....66-71. MIN HUMIDITY........38-44 PERCENT AFTER 1400. WIND (20 FT)........UPSLOPE 2-4 MPH AFTER 1200. MIXING HEIGHT.......5200 FT AGL. MIXING WINDS........NORTHWEST 5 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AFTER 2000. CWR.................30 PERCENT. MIN TEMPERATURE.....40-45. MAX HUMIDITY........88-93 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE. MIXING HEIGHT.......800 FT AGL. MIXING WINDS........LIGHT AND VARIABLE. .SUNDAY... SKY/WEATHER.........SCATTERED RAIN SHOWERS IN THE MORNING THEN A SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. CWR.................30 PERCENT. MAX TEMPERATURE.....62-67. MIN HUMIDITY........44-49 PERCENT. WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST 3-7 MPH IN THE AFTERNOON. MIXING HEIGHT.......3800 FT AGL. MIXING WINDS........WEST 10 MPH. $$ FORECASTER...RPN REQUESTED BY...TYLER BROTHERS TYPE OF REQUEST...PRESCRIBED .TAG 20110521.PRINT.01/MSO