FNUS75 KBYZ 241409
FWSBYZ

SPOT FORECAST FOR FORT HOWES...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
809 AM MDT TUE APR 24 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...HOT AND DRY TODAY...
...COLD FRONT WITH WIND SHIFT AND SCATTERED THUNDERSTORMS
THIS AFTERNOON...

TEMPERATURES WILL CLIMB INTO THE MID 80S TO LOWER 90S TODAY
AHEAD OF A COLD FRONT THAT WILL MOVE SOUTHEAST ACROSS THE SITE
THIS AFTERNOON. RELATIVE HUMIDITIES WILL BE 12 TO 17 PERCENT
THIS AFTERNOON. WINDS WILL BE SOUTH 5 TO 10 MPH AND BECOME
NORTHWEST 5 TO 15 MPH IN THE AFTERNOON WITH THE FRONTAL PASSAGE.
ISOLATED THUNDERSTORMS THIS AFTERNOON WILL HAVE THE POTENTIAL TO
PRODUCE GUSTY WINDS. WEDNESDAY WILL BE COOLER...IN THE 70S...UNDER
HIGH PRESSURE WITH HIGHER HUMIDITIES. WINDS WILL BE DOWNSLOPE/DOWN-VALLEY
5 MPH OR LESS EARLY...BECOMING NORTHWEST 5 TO 15 MPH BY LATE MORNING.
GUSTY AND ERRATIC WINDS WILL BE EXPECTED NEAR THUNDERSTORMS. EXPECT
SCATTERED PRECIPITATION ON THURSDAY AHEAD OF A PACIFIC STORM SYSTEM. SHOWERS
WILL BECOME MORE NUMEROUS FRIDAY AND SATURDAY AS THE SYSTEM CROSSES
THE REGION.



.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
                    WINDS IN THE AFTERNOON.
MAX TEMPERATURE.....86-91.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH...BECOMING NORTHWEST
                    5 TO 15 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE MORNING...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN-VALLEY WINDS 5 MPH OR LESS EARLY...
                    BECOMING NORTHWEST 5 TO 15 MPH BY LATE MORNING.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.

$$
FORECASTER...ARTHUR
REQUESTED BY...PATRICK DAVIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120424.FORTH.01/BYZ