FNUS75 KMSO 011759 FWSMSO SPOT FORECAST FOR ELK MTN NATIONAL WEATHER SERVICE MISSOULA MT 1159 AM MDT TUE SEP 1 2009 FORECAST IS BASED ON IGNITION TIME OF 1215 MDT ON SEPTEMBER 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL SLOWLY BUILD OVER THE REGION THROUGH WEDNESDAY. THIS WILL LEAD TO WARMING AND LOWER HUMIDITIES WITH TIME. THE HIGH PRESSURE WILL ALSO SUPPORT RELATIVE LIGHT DIURNAL WIND PATTERNS. THE EXCEPTION TO THE DRYING IS WITH THE LINGERING MID LEVEL MOISTURE AND INSTABILITY. THE ATMOSPHERE WILL REMAIN UNSTABLE ENOUGH TO POSSIBLY SUPPORT ISOLATED SHOWERS OR STORMS INTO THIS EVENING. .TODAY... SKY/WEATHER.........CLEAR THROUGH MID DAY...THEN PARTLY CLOUDY. SLIGHT CHANCE OF A SHOWER OR THUNDERSTORM IN THE MID TO LATE AFTERNOON. MAX TEMPERATURE.....79. MIN HUMIDITY........35 PERCENT. WIND (20 FT)........VARIABLE 1 TO 5 MPH...EXCEPT GUSTY WINDS NEAR ANY SHOWERS. .TONIGHT... MIN TEMPERATURE.....49-54. MAX HUMIDITY........81-86 PERCENT. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY TO 5 MPH. .WEDNESDAY... MAX TEMPERATURE.....81. MIN HUMIDITY........26-29 PERCENT. WIND (20 FT)........SOUTH 2-4 MPH BECOMING UPSLOPE/UPVALLEY 2-7 MPH. $$ FORECASTER...BAUCK REQUESTED BY...MARLA DICKINSON TYPE OF REQUEST...PRESCRIBED .TAG 20090901.ELKMT.02/MSO