378
FXUS65 KBOI 141659
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
959 AM MST FRI NOV 14 2025
DISCUSSION
A SYSTEM THAT BROUGHT RAIN SHOWERS TO MUCH OF THE
AREA OVERNIGHT WILL EXIT TO THE EAST TODAY. SHOWERS HAVE MOVED
INTO THE MOUNTAINS, AND WILL CONTINUE TO DECREASE THROUGH THE
AFTERNOON. AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BRIEFLY
BUILD IN TONIGHT INTO SATURDAY WITH DECREASED CLOUD COVER AND
MILD TEMPERATURES. LINGERING MOISTURE WILL ALLOW PATCHY FOG TO
DEVELOP TONIGHT. HIGHS WILL BE 10-15 DEGREES ABOVE NORMAL BOTH
TODAY AND SATURDAY. WINDS WILL BE LOCALLY BREEZY TODAY, THEN
LIGHTER ON SATURDAY AS HIGH PRESSURE BECOMES ESTABLISHED. NO
UPDATES TO THE FORECAST THIS MORNING.
AVIATION
MOSTLY VFR. MVFR/LIFR CONDITIONS THIS MORNING IN
FOG AND LOW CEILINGS IN E-OREGON AND ID WEST CENTRAL MOUNTAINS.
MTNS OBSCURED IN FOG/LOW CEILINGS. FOG AND CEILINGS LIFTING
THROUGH THE MORNING WITH WIDESPREAD VFR THIS AFTERNOON. RAIN
SHOWERS TAPERING OFF THIS AFTERNOON. SURFACE WINDS: SW 5-15
WITH GUSTS TO 20-25 KT, EXCEPT VARIABLE UP TO 10 KT IN THE
SNAKE PLAIN. WINDS ALOFT AT 10KFT MSL: SW 30-45 KT.
KBOI...VFR. SKIES CLEARING THROUGHOUT THE AFTERNOON. SURFACE
WINDS: VARIABLE BECOMING NW UNDER 10KT THIS AFTERNOON.
WEEKEND OUTLOOK...PATCHY FOG SATURDAY MORNING, OTHERWISE VFR.
INCREASING CLOUDS LATE SATURDAY WITH SHOWERS DEVELOPING SUNDAY
MORNING, EXPECT MOUNTAIN OBSCURATION SUNDAY. SNOW LEVELS AROUND
7-8K FT MSL. SURFACE WINDS: VARIABLE UP TO 10 KT SATURDAY, SW-SE
5-15 KT SUNDAY.
PREV DISCUSSION
SHORT TERM...TODAY THROUGH SUNDAY NIGHT...AN UPPER LEVEL TROUGH
IS SPLITTING OFF FROM THE PARENT FLOW INTO SOUTHERN CA LATER
TODAY. THE NORTHERN PORTION OF THE SYSTEM IS BRINGING SCATTERED
SHOWERS TO THE AREA THIS MORNING. SHOWERS WILL TAPER OFF LATER
THIS MORNING WITH CLEARING BY THE AFTERNOON, AS THE MAIN JET
STREAM LIFTS NORTHWARD AND THE CUTOFF LOW REMAINS NEAR SOUTHERN
CA. TEMPERATURES WILL REMAIN MILD WITH HIGHS AROUND 10-15
DEGREES ABOVE NORMAL THROUGH SATURDAY. TEMPERATURES IN THE
SNAKE PLAIN WILL BE IN THE LOW TO MID 60S TODAY AND AGAIN ON
SATURDAY. THE UPPER LEVEL TROUGH OVER SOUTHERN CA WILL MOVE
NORTHWARD INTO THE GREAT BASIN ON SUNDAY, WITH SHOWERS LIKELY BY
SUNDAY AFTERNOON. SNOW LEVELS REMAIN AROUND 7000-8000' WITH THIS
SYSTEM.
LONG TERM...MONDAY THROUGH FRIDAY...FORECAST CONFIDENCE IS LOW
IN THE EXTENDED PERIOD. QUITE A CHANGE IN THE EXTENDED PERIOD
WITH THE MODELS FROM PREVIOUS RUNS. THE LATEST PROJECTIONS
WEAKEN THE TROUGH OVER THE GREAT BASIN AND BRING ANOTHER SYSTEM
DOWN THE WEST COAST INTO ANOTHER CUTOFF LOW OFF THE CA COAST BY
TUESDAY AND WEDNESDAY. THIS WOULD BRING DRIER AND WARMER
CONDITIONS TUESDAY THROUGH THURSDAY WITH UPPER LEVEL RIDGING
OVER SOUTHWEST ID AND SOUTHEAST OR. WITH THIS NEW SOLUTION,
HIGH TEMPERATURES COULD BE 5-10 DEGREES WARMER THAN THE CURRENT
FORECAST.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WWW.WEATHER.GOV/BOISE
INTERACT WITH US VIA SOCIAL MEDIA:
WWW.FACEBOOK.COM/NWSBOISE
WWW.X.COM/NWSBOISE
DISCUSSION...ST
AVIATION.....NF
SHORT TERM...KA
LONG TERM....KA
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