FNUS75 KMSO 270435 FWSMSO SPOT FORECAST FOR ARIANA 2 NATIONAL WEATHER SERVICE MISSOULA MT 1035 PM MDT FRI AUG 26 2011 FORECAST IS BASED ON REQUEST TIME OF 2220 MDT ON AUGUST 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A CLEAR AND CALM NIGHT IS EXPECTED OVERNIGHT WITH INVERSIONS LIKELY TO FORM...KEEPING WINDS LIMITED THROUGH SATURDAY MORNING. BY SATURDAY AFTERNOON EXPECT A DRAMATIC INCREASE IN WINDS...LIKELY AFTER 1300...WITH ADDITIONAL INCREASES IN WIND SPEED THROUGH THE EVENING HOURS. .REST OF TONIGHT... SKY/WEATHER.........CLEAR. CWR.................0 PERCENT. MIN TEMPERATURE.....49-55. MAX HUMIDITY........55-62 PERCENT. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-4 MPH. MIXING HEIGHT.......200 FT AGL. MIXING WINDS........SOUTHWEST 5 MPH. HAINES INDEX........3 VERY LOW. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. CWR.................0 PERCENT. MAX TEMPERATURE.....88-94. MIN HUMIDITY........17-22 PERCENT. WIND (20 FT)........UPSLOPE/UPVALLEY 3-5 MPH IN THE MORNING...BECOMING WEST-SOUTHWEST 8-12 MPH WITH STRONGER GUSTS 15-20 MPH IN THE AFTERNOON AND EVENING. MIXING HEIGHT.......6300 FT AGL. MIXING WINDS........WEST 20 MPH. HAINES INDEX........2 VERY LOW. $$ FORECASTER...ALLEGRETTO REQUESTED BY...JAMEY GRAHAM TYPE OF REQUEST...WILDFIRE .TAG 20110826.ARIAN.01/MSO