FNUS75 KBYZ 211745 FWSBYZ SPOT FORECAST FOR MAIN BOULDER STATION...USFS NATIONAL WEATHER SERVICE BILLINGS MT 1145 AM MDT SUN MAR 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MARCH 22. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SOUTHWEST WINDS TONIGHT WILL BECOME NORTHWEST AS A COLD FRONT MOVES THROUGH THE AREA SHORTLY AFTER MIDNIGHT. THE FRONT IS EXPECTED TO BRING LIKELY RAIN SHOWERS TO THE LOWER SECTIONS OF THE BURN SITE WITH SNOW SHOWERS ABOVE 6500 FEET MONDAY. ACCUMULATING SNOW WILL BE POSSIBLE MONDAY NIGHT WITH SEVERAL INCHES POSSIBLE BY TUESDAY MORNING. WINDS WILL BE NORTHWEST THROUGH THE DAY AT 10 TO 20 MPH. TEMPERATURES WILL BE MUCH COOLER WHICH WILL KEEP AFTERNOON MINIMUM RH'S IN THE MID TO UPPER 40 PERCENT RANGE. .MONDAY... MAX TEMPERATURE.....41-46. MIN HUMIDITY........44-49 PERCENT. WIND (20 FT)........ LWR SLP/VALLEY.....WEST WINDS 10 TO 20 MPH. $$ FORECASTER...RICHMOND REQUESTED BY...GREG JUVAN TYPE OF REQUEST...PRESCRIBED .TAG 20100322.MAINB.01/BYZ