FNUS75 KPIH 161643 FWSPIH SPOT FORECAST FOR UPPER LITTLE WOOD RX...FS-STF NATIONAL WEATHER SERVICE POCATELLO ID 1043 AM MDT THU SEP 16 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON SEPTEMBER 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WEAK UPPER LEVEL RIDGING WILL PERSIST THROUGH FRIDAY AS FLOW ALOFT TRANSITIONS FROM WESTERLY TO SOUTHWESTERLY. EXPECT VERY DRY CONDITIONS THROUGH SATURDAY WITH A SYSTEM MOVING THROUGH SUNDAY AND MONDAY. WITH HEATING WILL LIKELY SEE SOME WIND GUST INCREASES BOTH TODAY AND FRIDAY IN THE AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. TEMPERATURE.........MAX 74. RH..................MIN 16 PERCENT. WIND (20 FT)........BECOMING WEST 6 TO 9 MPH LATE IN THE AFTERNOON WITH GUSTS TO 20 MPH. MIXING WINDS........WEST AROUND 18 MPH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. TEMPERATURE.........MIN 45. RH..................MAX 46 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH EARLY IN THE EVENING BECOMING VARIABLE 2 TO 5 MPH...THEN BECOMING WEST AROUND 6 MPH AFTER MIDNIGHT BECOMING VARIABLE 2 TO 5 MPH. MIXING WINDS........LIGHT AND VARIABLE WINDS. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........MAX 75. RH..................MIN 15 PERCENT. WIND (20 FT)........WINDS SOUTH AT 6 MPH AT IGNITION...OTHERWISE WEST 6 TO 10 MPH WITH GUSTS TO 16 MPH. IN THE AFTERNOON. MIXING HEIGHT.......7500 FT AGL AT IGNITION...OTHERWISE 7500 FT AGL. MIXING WINDS........SOUTHWEST AROUND 21 MPH. HAINES INDEX........4 AT IGNITION...MAX 4. $$ FORECASTER...KAISER REQUESTED BY...MATT FILBERT TYPE OF REQUEST...PRESCRIBED .TAG 20100917.UPPER.01/PIH