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000
FNUS75 KTFX 172120
FWSTFX

SPOT FORECAST FOR SWEATS...HELENA NF USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
320 PM MDT FRI MAY 17 2013

FORECAST IS BASED ON REQUEST TIME OF 1437 MDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOIST SOUTHWEST FLOW ALOFT WILL BRING PERIODS OF LIGHT
RAIN TO THE HELENA VALLEY AND SURROUNDING MOUNTAINS FRIDAY EVENING
AND INTO SATURDAY MORNING. AN ISOLATED THUNDERSTORM IS POSSIBLE DURING
THIS FORECAST PERIOD WHICH COULD BRING A BRIEF PERIOD OF MODERATE
RAINFALL. RELATIVE HUMIDITIES WILL RECOVER TO AT OR ABOVE 90 PERCENT
TONIGHT AND THEN DROP TO NEAR 50 PERCENT SATURDAY AFTERNOON.  WINDS
WILL INCREASE INTO THE 10 TO 15 MPH RANGE WITH GUSTS NEAR 20 MPH
ON SATURDAY.


.TONIGHT...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
                    THUNDERSTORMS IN THE EVENING...THEN RAIN
                    SHOWERS LIKELY AFTER MIDNIGHT.
CWR.................60 PERCENT.
MIN TEMPERATURE.....38-43.
MAX HUMIDITY........89-94 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH SHIFTING TO THE WEST
                    AFTER MIDNIGHT.
RIDGE TOP WIND......WEST WINDS AROUND 10 MPH.

.SATURDAY...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY IN THE
                    MORNING...THEN RAIN SHOWERS AND SLIGHT CHANCE
                    OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................40 PERCENT.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........51-56 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH.
RIDGE TOP WIND......WEST WINDS 15 TO 20 MPH.

$$
FORECASTER...UTTECH
REQUESTED BY...DEANNA THOMPSON
TYPE OF REQUEST...WILDFIRE
.TAG 20130517.SWEAT.02/TFX