FNUS75 KMSO 181541 FWSMSO SPOT FORECAST FOR GRASSHOPPER RX NATIONAL WEATHER SERVICE MISSOULA MT 941 AM MDT MON MAY 18 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MAY 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SOUTHWESTERLY UPPER LEVEL FLOW WILL PRIMARILY DOMINATE YOUR FIRE THROUGH TOMORROW. THIS AFTERNOON THE ATMOSPHERE APPEARS TO BECOME UNSTABLE ENOUGH TO SUPPORT A FEW HIGH BASED THUNDERSTORMS. THIS AFTERNOON APPEARS TO BE ANOTHER WARM...DRY AND BREEZY. TOMORROW WILL ONCE AGAIN BE WARM WITH STRONGER WINDS AS A COLD FRONT APPROACHES YOUR FIRE. THE FRONT DOES NOT APPEAR TO MOVE THROUGH YOUR FIRE DURING THE TUESDAY EVENING. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CWR.................0 PERCENT. MAX TEMPERATURE.....70-75. MIN HUMIDITY........13-18 PERCENT. WIND (20 FT)........VARIABLE 2-5 MPH BECOMING SOUTHWEST 5-10 MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. CWR.................0 PERCENT. MIN TEMPERATURE.....40-45. MAX HUMIDITY........50-55 PERCENT. WIND (20 FT)........WEST WINDS 5-10 MPH IN THE EVENING BECOMING VARIABLE 2-6 MPH. .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CWR.................20 PERCENT. MAX TEMPERATURE.....62-67. MIN HUMIDITY........21-26 PERCENT. WIND (20 FT)........VARIABLE 2-6 MPH IN THE EARLY MORNING BECOMING SOUTHWEST WINDS 6-16 MPH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON. $$ FORECASTER...SMITH REQUESTED BY...DOUG CAFFEE TYPE OF REQUEST...PRESCRIBED .TAG 20090518.GRASS.01/MSO