FNUS75 KMSO 201812
FWSMSO

SPOT FORECAST FOR VISTA
NATIONAL WEATHER SERVICE MISSOULA MT
1212 PM MDT MON AUG 20 2012

FORECAST IS BASED ON REQUEST TIME OF 1043 PDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ADDITIONAL CLOUD COVER TODAY WILL KEEP TEMPERATURES
A LITTLE COOLER AND HOLD THE INVERSION UNTIL 1300. OVERNIGHT
THERMAL BELT DEVELOPMENT IS LIKELY ON MID-SLOPES WITH THE LOWEST
ELEVATIONS SEEING HIGH RELATIVE HUMIDITY DUE TO THE NEARBY WATER
SOURCE. ON TUESDAY SHOWERS AND THUNDERSTORMS ARE POSSIBLE THROUGH
THE DAY WITH THE MOST LIKELY TIME BEING IN THE LATE AFTERNOON OR
EVENING (AFTER 1500). THE ADDITIONAL CLOUD COVER WILL ALSO HOLD
TEMPERATURES DOWN AND RHS UP.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
CWR.................0 PERCENT.
MAX TEMPERATURE.....LOWER ELEVATION...93-98.
                    UPPER ELEVATION...86-91.
MIN HUMIDITY........LOWER ELEVATION...14-19 PERCENT.
                    UPPER ELEVATION...18-23 PERCENT.
WIND (20 FT)........UPSLOPE/UPCANYON 4-8 MPH.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....LOWER...59-64.
                    UPPER...58-63.
MAX HUMIDITY........LOWER...72-77 PERCENT.
                    UPPER...56-61 PERCENT
WIND (20 FT)........DOWNSLOPE/DOWNCANYON 1-3 MPH.
HAINES INDEX........4 LOW.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AND THUNDERSTORMS IN THE MORNING. CHANCE OF
                    RAIN SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....UPPER...90-95.
                    LOWER...83-88.
MIN HUMIDITY........LOWER...18-22 PERCENT.
                    UPPER...22-26 PERCENT.
WIND (20 FT)........UPSLOPE 2-4 MPH...SOUTHWEST 6-10 MPH AT RIDGETOP.
HAINES INDEX........4 LOW.

$$
FORECASTER...LOEFFELBEIN
REQUESTED BY...MARGARERT
TYPE OF REQUEST...WILDFIRE
.TAG 20120820.VISTA.01/MSO