FNUS75 KBYZ 211345
FWSBYZ

SPOT FORECAST FOR HWY 87...BIA, CROW AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
745 AM MDT TUE AUG 21 2012

FORECAST IS BASED ON REQUEST TIME OF 0725 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HOT WITH VERY LOW HUMIDITIES TODAY...

...INCREASING SOUTH WINDS THIS AFTERNOON...

...FRONTAL PASSAGE AROUND MIDNIGHT WITH WEST TO NORTHWEST WINDS...

.DISCUSSION...
IT WILL BE ANOTHER HOT AND DRY DAY TODAY. TEMPERATURES WILL SURGE
INTO THE 90S AND HUMIDITIES WILL FALL TO AROUND 10 PERCENT AND
COULD DROP INTO THE SINGLE DIGITS. WINDS WILL BECOME SOUTH BY
EARLY AFTERNOON AND INCREASE IN SPEED. SOME GUSTS TO 24 MPH WILL
BE POSSIBLE LATE THIS AFTERNOON AND EARLY THIS EVENING. A COLD
FRONT WILL PUSH INTO THE AREA LATE THIS EVENING AND TURN THE WINDS
TO THE WEST AND NORTHWEST AROUND MIDNIGHT. THERE IS A SLIGHT
CHANCE OF A THUNDERSTORM THIS EVENING WITH THE FRONT AND ANY STORM
WILL BE MAINLY DRY WITH GUSTY AND ERRATIC WINDS. WEDNESDAY WILL BE
SLIGHTLY COOLER WITH A BREEZY WEST WIND. HUMIDITIES WILL BE HIGHER
BUT STILL FALL INTO THE UPPER TEENS IN THE AFTERNOON. SCATTERED
THUNDERSTORMS ARE EXPECTED IN THE AFTERNOON BUT THESE WILL BE A
LITTLE WETTER THAN TODAY. STORMS WILL HAVE GUSTY WINDS. TWH


.TODAY...

SKY/WEATHER.........A FEW CLOUDS THIS MORNING...OTHERWISE
                    SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....92-97.
MIN HUMIDITY........7-11 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 4 TO 12 MPH THIS MORNING.
                    WINDS BECOMING SOUTH AND INCREASING TO
                    10 TO 18 MPH WITH GUSTS TO 24 MPH THIS
                    AFTERNOON.
 RIDGETOP...........SOUTH 10 TO 20 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS OVERNIGHT.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....60-65.
MAX HUMIDITY........49-54 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 10 TO 18 MPH WITH GUSTS TO 24 MPH
                    IN THE EVENING. WINDS TURNING WEST TO NORTHWEST
                    AROUND MIDNIGHT. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS OVERNIGHT.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
HAINES INDEX........5.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS.
CWR.................16 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....87-92.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 8 TO 16 MPH WITH GUSTS TO 20 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........WEST 10 TO 20 MPH.
HAINES INDEX........5.

$$
FORECASTER...HUMPHREY
REQUESTED BY...BRYCE ROGERS
TYPE OF REQUEST...WILDFIRE
.TAG 20120821.HWY87.01/BYZ