148 
FNUS75 KMSO 181843
FWSMSO

SPOT FORECAST FOR SELWAY COMPLEX
NATIONAL WEATHER SERVICE MISSOULA MT
1243 PM MDT THU SEP 18 2014

FORECAST IS BASED ON REQUEST TIME OF 1224 MDT ON SEPTEMBER 18. 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UNSTABLE ATMOSPHERE MAY SUPPORT AN AFTERNOON SHOWER
TODAY.  ADDITIONAL MOISTURE WILL MOVE OVER THE AREA INTO TONIGHT, BUT 
THE ATMOSPHERE IS EXPECTED TO STABILIZE.  AS SUCH THE THREAT OF 
SHOWERS TONIGHT IS QUITE LOW.  A MORE NORTHWEST FLOW ALOFT ON FRIDAY 
SHOULD BRING A LITTLE MORE WIND DOWN TO THIS VALLEY LOCATION.  THE 
AIR MASS SHOULD THEN DRY ALOFT FRIDAY NIGHT.  A STRONG RIDGE OF HIGH 
PRESSURE AND THE ASSOCIATED STABLE CONDITIONS IS EXPECTED SATURDAY 
INTO EARLY NEXT WEEK. 

.TODAY...

HAINES INDEX........3 VERY LOW. 
SKY/WEATHER.........INCREASING CLOUDS.  CHANCE OF AN AFTERNOON SHOWER
                    OR THUNDERSTORM. 
MAX TEMPERATURE.....80-85. 
MIN HUMIDITY........21-26 PERCENT. 
WIND (20 FT)........VARIABLE 2-7 MPH. 

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.  
CWR.................0 PERCENT. 
MIN TEMPERATURE.....47-52. 
MAX HUMIDITY........85-90 PERCENT. 
WIND (20 FT)........NORTHWEST WINDS 5-7 MPH IN THE EVENING BECOMING 
                    VARIABLE 2-4 MPH. 
MIXING HEIGHT.......DECREASING TO LESS THAN 500 FT AGL IN THE EARLY
                    EVENING.  
MIXING WINDS........WEST 5 MPH. 
HAINES INDEX........3 VERY LOW. 

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING.  DECREASING CLOUDS
                    BY MID TO LATE AFTERNOON. 
CWR.................0 PERCENT. 
MAX TEMPERATURE.....79-82. 
MIN HUMIDITY........28-33 PERCENT. 
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 5-8 MPH IN THE 
                    AFTERNOON. 
MIXING HEIGHT.......INCREASING TO 3000 FT AGL. 
MIXING WINDS........NORTHWEST 10 MPH. 
HAINES INDEX........2 VERY LOW. 

.FRIDAY NIGHT...

SKY/WEATHER.........BECOMING CLEAR.  PATCHY FOG ALONG RIVER TOWARDS 
                    MORNING.   
CWR.................0 PERCENT. 
MIN TEMPERATURE.....40-43. 
MAX HUMIDITY........90-100 PERCENT. 
WIND (20 FT)........NORTHWEST WINDS 5-7 MPH IN THE EVENING BECOMING 
                    VARIABLE 2-4 MPH...THEN DOWN VALLEY TO 5 MPH. 
MIXING HEIGHT.......DECREASING TO LESS THAN 500 FT AGL IN THE 
                    EVENING.  
MIXING WINDS........VARIABLE TO 5 MPH...BECOMING DOWNVALLEY 
                    OVERNIGHT. 
HAINES INDEX........3 VERY LOW. 



$$
FORECASTER...BAUCK
REQUESTED BY...KELLY MCKEE
TYPE OF REQUEST...WILDFIRE
.TAG 20140918.SELWA.01/MSO