FNUS75 KMSO 301959 FWSMSO SPOT FORECAST FOR BUTTE CABIN RX NATIONAL WEATHER SERVICE MISSOULA MT 159 PM MDT TUE APR 30 2013 FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE WILL BE BUILDING IN FROM THE WEST BRINGING DRIER...MORE STABLE INTO REGION BY AFTERNOON. WE ANTICIPATE SOME CLOUDS IN THE MORNING WHICH WILL HOLD HUMIDITIES UP INTO THE EARLY AFTERNOON. THE RIDGE OF HIGH PRESSURE WILL BE THE DOMINANT WEATHER FEATURE WEDNESDAY NIGHT AND THURSDAY. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE EVENING. CWR.................10 PERCENT. MIN TEMPERATURE.....16-21. MAX HUMIDITY........85-90 PERCENT. WIND (20 FT)........NORTHWEST WINDS 7-11 MPH IN THE EVENING BECOMING VARIABLE 3-6 MPH. MIXING HEIGHT.......2000 FT AGL. MIXING WINDS........NORTHWEST 10 MPH. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING. DECREASING CLOUDS DURING THE AFTERNOON. CWR.................0 PERCENT. MAX TEMPERATURE.....BOTTOM...45-50...AND TOP 39-42. MIN HUMIDITY........BOTTOM 24-28 PERCENT...AND TOP 38-45 PERCENT. WIND (20 FT)........VARIABLE 1-3 MPH IN THE MORNING. BECOMING NORTHWEST 6-10 MPH IN THE AFTERNOON. MIXING HEIGHT.......4000 FT AGL. MIXING WINDS........NORTHWEST 10 MPH. $$ FORECASTER...MSJ REQUESTED BY...MIKE WOOD TYPE OF REQUEST...PRESCRIBED .TAG 20130501.BUTTE.01/MSO