FNUS75 KMSO 061718 FWSMSO SPOT FORECAST FOR FIRESTONE NATIONAL WEATHER SERVICE MISSOULA MT 1118 AM MDT TUE AUG 6 2013 FORECAST IS BASED ON REQUEST TIME OF 1038 MDT ON AUGUST 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE IS BUILDING OVER THE REGION AND WILL PRODUCE WARMER AND DRIER CONDITIONS WITH RELATIVELY LIGHT WINDS THROUGH WEDNESDAY. THERE IS SOME LOW LEVEL INSTABILITY...BUT ONLY SUFFICIENT TO PRODUCE CUMULUS INTO THIS AFTERNOON. MOISTURE IS EXPECTED TO START SHIFTING OVER THE AREA THURSDAY LEADING TO AN INCREASING CHANCE OF MAINLY AFTERNOON AND EVENING THUNDERSTORMS...ESPECIALLY BY FRIDAY AND SATURDAY. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. FEW CUMULUS CWR.................0 PERCENT. MAX TEMPERATURE.....86 BOTTOM TO 80 TOP. MIN HUMIDITY........22 PERCENT BOTTOM AND 28 PERCENT TOP. WIND (20 FT)........VARIABLE 2-4 MPH BECOMING UPVALLEY 2-8 MPH. MIXING HEIGHT.......INCREASING TO 8000 FT AGL. MIXING WINDS........NORTHWEST 10 MPH. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. CWR.................0 PERCENT. MIN TEMPERATURE.....49-54. MAX HUMIDITY........66-71 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5-6 MPH IN THE EVENING BECOMING DOWNVALLEY 2 TO 6 MPH. MIXING HEIGHT.......DECREASING TO LESS THAN 500 FT AGL AROUND SUNSET. MIXING WINDS........LIGHT AND VARIABLE...MOSTLY DOWN VALLEY TO 5 MPH. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. CWR.................0 PERCENT. MAX TEMPERATURE.....85-90. MIN HUMIDITY........17-19 PERCENT. WIND (20 FT)........VARIABLE 2-5 MPH BECOMING WEST 6-7 MPH IN THE AFTERNOON. MIXING HEIGHT.......INCREASING TO 7000 FT AGL. MIXING WINDS........WEST 10 MPH. HAINES INDEX........3 VERY LOW. $$ FORECASTER...BAUCK REQUESTED BY...JACK CURRIE TYPE OF REQUEST...WILDFIRE .TAG 20130806.FIRES.01/MSO