FNUS75 KMSO 231447 FWSMSO SPOT FORECAST FOR ST MARY S 30B NATIONAL WEATHER SERVICE MISSOULA MT 847 AM MDT SAT MAY 23 2009 FORECAST IS BASED ON AN IGNITION TIME OF 1030 MDT ON MAY 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WARM HIGH PRESSURE WILL CONTINUE OVER THE AREA TODAY WITH LIGHT WINDS EXPECTED. THE BURN SITE WILL BE ON THE EDGE OF MOISTURE TODAY AND INTO SUNDAY...WHICH WILL BRING INCREASING CLOUDS AND A SLIGHT CHANCE OF A SHOWER OR TWO LATER THIS AFTERNOON INTO THE EVENING. SUNDAY WILL BE A LITTLE COOLER WITH MORE CLOUD COVER AND HIGHER RELATIVE HUMIDITIES. .TODAY... SKY/WEATHER.........BECOMING PARTLY CLOUDY LATER THIS AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. CWR.................10 PERCENT. TEMPERATURE.........MAX 73-76. RH..................MIN 18-21 PERCENT. WIND (20 FT)........UPSLOPE EAST 2-4 MPH. MIXING HEIGHT.......4500 FT AGL. MIXING WINDS........SOUTHWEST 5 MPH. .TONIGHT... CWR.................10 PERCENT. RH..................MAX 55-60 PERCENT. WIND (20 FT)........DOWNSLOPE 1-3 MPH. .SUNDAY... CWR.................20 PERCENT. $$ FORECASTER...ALLEGRETTO REQUESTED BY...BRET LEWIS TYPE OF REQUEST...PRESCRIBED .TAG 20090523.STMAR.01/MSO