FNUS75 KMSO 221601
FWSMSO

SPOT FORECAST FOR SEIGEL
NATIONAL WEATHER SERVICE MISSOULA MT
1001 AM MDT THU JUL 22 2010

FORECAST IS BASED ON REQUEST TIME OF 0927 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN APPROACHING UPPER LEVEL TROUGH WILL CONTINUE TO
PRODUCE CLOUD COVER THROUGH MUCH OF TODAY. SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID AFTERNOON AND PERSIST
INTO THE EVENING...DISSIPATING BY MIDNIGHT. IF A THUNDERSTORM CORE
SETS UP OVER THE FIRE...A WETTING RAIN WILL BE POSSIBLE. WINDS
WILL INCREASE AS WELL...MAINLY LATE THIS AFTERNOON (AFTER 1500
MDT) FROM THE WEST...PARTICULARLY ON THE MID AND UPPER SLOPES.
WINDS COULD BE QUITE GUSTY AS AFTERNOON INSTABILITY AND CONVECTION
MIXES THESE WINDS TO THE SURFACE. WINDS ARE ANTICIPATED TO STAY UP
THROUGH MUCH OR THE NIGHT...MAKING FOR WARM OVERNIGHT TEMPS AND
NOT AS FAVORABLE RH RECOVERIES.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....BOTTOM 79-84...TOP 75-79.
MIN HUMIDITY........BOTTOM 27-32 PERCENT...TOP 30-35 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE BECOMING WEST WINDS 10-12
                    MPH WITH GUSTS TO 25 IN THE AFTERNOON.
MIXING HEIGHT.......6500 FT AGL.
MIXING WINDS........WEST 25 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY BECOMING MOSTLY CLEAR AFTER MIDNIGHT.
                    CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE
                    EVENING.
CWR.................30 PERCENT.
MIN TEMPERATURE.....54-59.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........WEST WINDS 15-20 MPH. GUSTS UP TO 30 MPH IN
                    THE EVENING.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........NORTHWEST 15 MPH.
HAINES INDEX........2 VERY LOW.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 82-87...TOP 78-83.
MIN HUMIDITY........BOTTOM 19-24 PERCENT...22-27 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 3-5 MPH BECOMING WEST WINDS 5-10 MPH.
MIXING HEIGHT.......5900 FT AGL.
MIXING WINDS........WEST 10 MPH.
HAINES INDEX........2 VERY LOW.

$$
FORECASTER...PALLISTER
REQUESTED BY...BOBBIE BENNETT
TYPE OF REQUEST...WILDFIRE
.TAG 20100722.SEIGE.01/MSO