000
FXUS65 KBOI 081654
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
954 AM MST SUN NOV 8 2009

.DISCUSSION...SKIES WERE MOSTLY CLEAR ACROSS THE BULK OF SE
OREGON/SW IDAHO THIS MORNING ASIDE FROM SOME AREAS OF MID-LEVEL
CLOUDS OVER THE NORTHERN MOUNTAINS. THERE WERE NO INDICATIONS OF ANY
SHOWERS WITH THESE CLOUDS AND WILL THUS LOWER THE POPS FOR THE
REMAINDER OF TODAY. THE NEXT SHORTWAVE...CURRENTLY IN WESTERN
WA/OR...IS STILL PROGGED TO TRACK WELL TO THE NORTH. ALONG WITH
LOWER POPS...THE MORNING UPDATE WILL INCLUDE LESS CLOUDS THROUGH THE
AFTERNOON.

&&

.AVIATION...VFR WILL PREVAIL OVER SOUTHEASTERN OREGON AND
SOUTHWESTERN IDAHO TODAY WITH LIGHT SURFACE WINDS. A FEW PATCHES OF
MID LEVEL CLOUDS IN THE CENTRAL IDAHO MOUNTAINS WILL BE PUSHED
EASTWARD OUT OF THE AREA BY LIGHT TO MODERATE WESTERLY WINDS ALOFT
LEAVING MOSTLY CLEAR SKIES BY SUNDAY AFTERNOON. PATCHY GROUND FOG IS
LIKELY EARLY MONDAY MORNING NEAR KMYL AND KBKE.

&&

.PREV DISCUSSION...
SHORT TERM...SHORT WAVE TROUGH AND SNOW SHOWERS PASSED EWD ACROSS
OUR NRN ZONES AROUND MIDNIGHT...NOW GOING INTO WRN MONTANA.  ANOTHER
DISORGANIZED SHORT WAVE TROUGH WITH MORE CLOUDS WAS MOVING ENEWD
ACROSS OREGON AT 09Z.  PROGS EXPECT THE LATTER WAVE TO WEAKEN AS IT
MOVES FURTHER ENEWD...WITH ONLY SMALL POPS AGAIN FOR OUR NRN ZONES
THIS MORNING.  SKIES WILL CLEAR IN ALL ZONES TONIGHT AS A SHORT WAVE
RIDGE COMES INTO SRN OREGON.  CLEARING WILL ALLOW TEMPS TO BECOME
COLDER THAN THIS NIGHT...TEENS IN HIGHER MOUNTAINS...20S ELSEWHERE
...EXCEPT NEAR 30 AROUND BOI.  COLD AIR WILL CONDENSE OUT PATCHY FOG
AROUND MYL AND BKE LATE TONIGHT AND MONDAY MORNING.  SHORT WAVE
RIDGE WILL PASS THROUGH OUR IDAHO ZONES MONDAY WITH SUNNY SKIES.
MAX TEMPS TODAY WILL BE 3-5F BELOW NORMAL...RISING TO NEAR NORMAL
MONDAY AS THE RIDGE PASSES THROUGH.  NO SIGNIFICANT WINDS THROUGH
MONDAY.

LONG TERM...MONDAY NIGHT THROUGH SATURDAY...A PACIFIC LOW PRESSURE
SYSTEM WILL BRING A SLIGHT CHANCE OF SHOWERS TO THE OREGON ZONES AND
IN THE WEST CENTRAL MOUNTAINS OF IDAHO ON TUESDAY...WITH INCREASING
CHANCES FOR PRECIPITATION WEDNESDAY AND THURSDAY AS THE SYSTEM
AMPLIFIES AND TAPS INTO MORE FAVORABLE MOISTURE.  MOUNTAIN SNOW AND
VALLEY RAIN WILL ACCOMPANY A COLD FRONT THURSDAY.  THE TROUGH WILL
WEAKEN ON FRIDAY AND SATURDAY AS IT MOVES INTO A RIDGE EAST OF THE
AREA WITH DECREASING POPS AND TEMPERATURES CLOSER TO SEASONAL
NORMALS.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
OR...NONE.
&&

$$

WEATHER.GOV/BOISE

DISCUSSION...BW
AVIATION.....JB
PREV SHORT TERM...LC
PREV LONG TERM....CD