694
FXUS65 KBOI 081007
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
307 AM MST SUN NOV 8 2009
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.
AVIATION
LOCAL MVFR CEILINGS THIS MORNING NORTH OF A LINE
STRETCHING FROM BURNS TO BOISE. OTHERWISE MID AND HIGH CLOUDS WILL
PRESS EASTWARD THROUGH EARLY AFTERNOON. VFR CONDITIONS ARE EXPECTED.
MODERATE WEST WINDS ALOFT WITH LIGHT SURFACE WINDS.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WEATHER.GOV/BOISE
SHORT TERM...LC
LONG TERM....CD
AVIATION.....CD
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