FNUS75 KTFX 311551
FWSTFX

SPOT FORECAST FOR HELENA SO...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
951 AM MDT THU MAY 31 2012

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

CLOUDS WILL INCREASE THROUGH THIS AFTERNOON AS A WEAK WEATHER
DISTURBANCE MOVES INTO THE NORTHERN ROCKIES FROM THE WEST. A FEW
SHOWERS ARE POSSIBLE THIS AFTERNOON INTO THIS EVENING...HOWEVER
PRECIPITATION AMOUNTS WILL BE LIGHT AND MAINLY LESS THAN A TENTH OF
AN INCH. LIGHT WINDS THIS MORNING WILL BECOME WESTERLY AND
SOMEWHAT BREEZY AFTER THE MORNING INVERSION BREAKS. HIGH PRESSURE
WILL STRENGTHEN SOME OVER THE REGION ON FRIDAY...HOWEVER A FEW
ISOLATED SHOWERS MAY STILL DEVELOP AGAIN LATE IN THE DAY...BUT ARE
EXPECTED TO REMAIN OVER THE MOUNTAINS.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
                    AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS UP TO 5 MPH...BECOMING
                    WEST WINDS 8 TO 12 MPH WITH GUSTS TO 16 MPH IN
                    THE AFTERNOON.
RIDGE TOP WIND......WEST 10 TO 15 MPH WITH GUSTS TO 20 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........WEST AROUND 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN
                    THE EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........73-78 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH IN THE EVENING
                    DECREASING TO LESS THAN 10 MPH BY MIDNIGHT.
RIDGE TOP WIND......WEST AROUND 15 MPH
MIXING HEIGHT.......LESS THAN 1000 FT AGL.
MIXING WINDS........WEST AROUND 15 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................5 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH.
RIDGE TOP WIND......WEST WINDS 10 TO 15 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........WEST AROUND 15 MPH.

$$
FORECASTER...HOENISCH
REQUESTED BY...CULBRETH
TYPE OF REQUEST...PRESCRIBED
.TAG 20120531.HELEN.01/TFX