FNUS75 KMSO 181650 FWSMSO SPOT FORECAST FOR MOSQUITO 21 22A 22B NATIONAL WEATHER SERVICE MISSOULA MT 1050 AM MDT MON MAY 18 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE OVER THE AREA TODAY WILL BEGIN TO MOVE EASTWARD AS TUESDAYS SYSTEM APPROACHES. CLOUD COVER WILL INCREASE THIS AFTERNOON OTHERWISE CONDITIONS WILL BE SIMILAR TO YESTERDAY WITH A SLIGHT INCREASE IN WIND IN THE AFTERNOON. A COLD FRONT PASSING TUESDAY AFTERNOON WILL BRING INCREASED HUMIDITIES...CLOUD COVER AND A CHANCE FOR SHOWERS AND THUNDERSTORMS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY BECOMING PARTLY CLOUDY THIS AFTERNOON. CWR.................0 PERCENT. MAX TEMPERATURE..... BOTTOM.....77-82. TOP........70-75 MIN HUMIDITY........ BOTTOM.....19-24 PERCENT TOP........25-30 PERCENT. WIND (20 FT)........WEST WINDS 5-10 MPH WITH GUSTS UP TO 20 MPH BY MID AFTERNOON MAINLY TOP OF FIRE. MIXING HEIGHT.......5500 FT AGL. MIXING WINDS........SOUTHWEST 20 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. CWR.................10 PERCENT. MIN TEMPERATURE..... BOTTOM.....40-45 TOP........45-50. MAX HUMIDITY........ BOTTOM.....75-80 PERCENT. TOP........60-65 PERCENT WIND (20 FT)........SOUTHWEST WINDS 5-10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING THEN VARIABLE 2-6 MPH AFTER MIDNIGHT. MIXING HEIGHT.......2000 FT AGL. MIXING WINDS........SOUTHWEST 5 MPH. .TUESDAY... SKY/WEATHER.........CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. SHOWERS LIKELY IN THE AFTERNOON. CWR.................50 PERCENT. MAX TEMPERATURE.....55-60. MIN HUMIDITY........40-45 PERCENT. WIND (20 FT)........WEST WINDS 10-14 MPH WITH GUSTS UP TO 20 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......4800 FT AGL. MIXING WINDS........WEST 30 MPH. $$ FORECASTER...SMITH REQUESTED BY...BOBBIE BENNETT TYPE OF REQUEST...PRESCRIBED .TAG 20090518.MOSQU.01/MSO