FNUS75 KTFX 220312
FWSTFX

SPOT FORECAST FOR WILDLAND FIRE...ROCKY BOY
NATIONAL WEATHER SERVICE GREAT FALLS MT
912 PM MDT TUE APR 21 2009

FORECAST IS BASED ON REQUEST TIME OF 2027 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
RIDGE OF HIGH PRESSURE WILL MOVE OVER NORTH-CENTRAL MONTANA TONIGHT
WITH GUSTY WEST WINDS DEVELOPING ON WEDNESDAY. WARM TEMPERATURES AND
LOW RELATIVE HUMIDITIES ARE EXPECTED ON WEDNESDAY. INCREASING
CLOUD COVER WITH A CHANCE OF PRECIPITATION ON WEDNESDAY EVENING
WILL ALLOW FOR HIGHER RH VALUES. A COLD FRONT WILL MOVE THROUGH
ON WEDNESDAY NIGHT AND WINDS WILL SHIFT TO THE NORTHWEST AFTER
MIDNIGHT WEDNESDAY AND BECOME LESS GUSTY. MUCH COOLER TEMPERATURES
ARE EXPECTED FOR THE REMAINDER OF THE WEEK.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
RIDGE TOP WIND......WEST 25 MPH INCREASING TO 35 MPH AFTER MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING THEN INCREASING
                    CLOUDS IN THE AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....68-73.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE WEST
                    AROUND 25 MPH WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
RIDGE TOP WIND......WEST 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.

.OUTLOOK FOR THURSDAY AND FRIDAY...
MOSTLY CLOUDY SKIES THROUGHOUT THE PERIOD WITH RAIN AND SNOW
LIKELY THURSDAY AND A CHANCE OF RAIN AND SNOW SHOWERS ON FRIDAY. HIGH
TEMPERATURES WILL BE IN THE 30S WITH LOW TEMPERATURES IN THE 20S
BOTH DAYS. MIN RH VALUES WILL BE AROUND 50-60 PERCENT WITH MAX RH
VALUES BETWEEN 80-90 PERCENT. WINDS WILL BE OUT OF THE NORTHWEST
ON THURSDAY SHIFTING TO NORTHEAST ON FRIDAY AROUND 10-15 MPH.

$$
FORECASTER...BLANK
REQUESTED BY...JASON LODGEPOLE
TYPE OF REQUEST...WILDFIRE
.TAG 20090421.WILDL.01/TFX