FNUS75 KMSO 162229 FWSMSO SPOT FORECAST FOR FIVE GRIMM SHEEP 4 NATIONAL WEATHER SERVICE MISSOULA MT 429 PM MDT WED MAY 16 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...EXPECT AN UNSTABLE ATMOSPHERE TO DEVELOP AGAIN LATE THURSDAY MORNING WITH THE INCREASING POTENTIAL FOR RAIN SHOWERS AND THUNDERSTORMS THROUGH THE DAY. BECAUSE THERE WILL BE MORE AVAILABLE MOISTURE WITH THIS PASSING SYSTEM...RH'S WILL BE ELEVATED BY A FEW PERCENTAGES COMPARED TO PREVIOUS DAYS...WITH TEMPERATURES WILL BE A FEW DEGREES COOLER. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING, INCREASING TO A CHANCE OF RAIN SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. CWR.................10 PERCENT. MAX TEMPERATURE.....60-65. MIN HUMIDITY........27-32 PERCENT. WIND (20 FT)........SOUTHWEST 8-12 MPH. GUSTS UP TO 25 MPH POSSIBLE THROUGHOUT THE AFTERNOON AND EVENING. MIXING HEIGHT.......2500 FT AGL. MIXING WINDS........SOUTHWEST 15 MPH. $$ FORECASTER...ALLEGRETTO REQUESTED BY...IAN LEIGH TYPE OF REQUEST...PRESCRIBED .TAG 20120517.FIVEG.01/MSO