FNUS75 KBYZ 201843
FWSBYZ

SPOT FORECAST FOR BOAT MOUNTAIN...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
1243 PM MDT MON JUL 20 2009

FORECAST IS BASED ON REQUEST TIME OF 1222 MDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

COOLER WEATHER WILL LINGER OVER THE FIRE SITE TODAY AS NORTHWEST
FLOW ALOFT KEEPS SKIES MOSTLY SUNNY. WINDS WILL REMAIN FAIRLY LIGHT
TODAY BUT WILL BECOME GUSTY FOR A PERIOD IN THE LATE AFTERNOON.
HUMIDITY WILL FALL TO NEAR 30 PERCENT BUT RECOVERIES OVERNIGHT
SHOULD BE GOOD. TUESDAY WILL SEE WARMER AND DRIER CONDITIONS WITH
CONTINUED RELATIVELY LIGHT WINDS. THE AIRMASS WILL BECOME UNSTABLE
IN THE AFTERNOON AND AN ISOLATED THUNDERSTORM DURING THE LATE
AFTERNOON IS POSSIBLE.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY. AFTERNOON CUMULUS OVER RIDGES.
CWR.................ZERO.
LAL.................1.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH...GUSTS TO 15 MPH FROM
                    1500 TO 1800.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................ZERO.
LAL.................1.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS AFTER 1500.
CWR.................8 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........34-39 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING SOUTH 5 TO
                    10 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........WEST 5 TO 15 MPH.

$$
FORECASTER...BORSUM
REQUESTED BY...BOB HANSEN
TYPE OF REQUEST...WILDFIRE
.TAG 20090720.BOATM.01/BYZ