FNUS75 KMSO 211655 FWSMSO SPOT FORECAST FOR FRAZER 64 W NATIONAL WEATHER SERVICE MISSOULA MT 1055 AM MDT TUE APR 21 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON APRIL 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE WILL CONTINUE TO DOMINATE YOUR WEATHER TODAY. WESTERLY WINDS ALOFT WILL LIKELY MIX TO THE SURFACE LATER THIS AFTERNOON AS THE ATMOSPHERE DESTABILIZES. THE RIDGE WILL BE BREAKING DOWN TONIGHT AND WEDNESDAY. CLOUDS WILL BE INCREASING WEDNESDAY WITH SLIGHTLY COOLER TEMPERATURES AND STRONGER WINDS DURING THE AFTERNOON. .TODAY... SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. CWR.................0 PERCENT. MAX TEMPERATURE.....74-79. MIN HUMIDITY........12-17 PERCENT. WIND (20 FT)........VARIABLE 3-6 MPH BECOMING SOUTHWEST 6-10 MPH IN THE AFTERNOON. MIXING HEIGHT.......6400 FT AGL. MIXING WINDS........WEST 15 MPH. $$ FORECASTER...KOLATA REQUESTED BY...RENE EUSTACE TYPE OF REQUEST...PRESCRIBED .TAG 20090421.FRAZE.01/MSO