953
FXUS65 KBOI 281048
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
348 AM MST SAT FEB 28 2026
SHORT TERM...TODAY THROUGH MONDAY NIGHT
A WEAK SYSTEM OFF THE
CA COAST WILL SLOWLY TRACK INLAND WITH INCREASING CLOUDS THIS
AFTERNOON. SCATTERED SHOWERS (30-50% CHANCE) DEVELOP IN SE
OREGON LATE THIS AFTERNOON WITH SLIGHT CHANCE (10% CHANCE) OF
THUNDERSTORMS ALONG THE NV BORDER. SHOWERS WEAKEN OVERNIGHT WITH
THE LOSS OF DAYTIME HEATING ON SUNDAY MORNING, BUT REFORM AGAIN
DURING THE AFTERNOON, WITH A SLIGHT CHANCE OF THUNDERSTORMS
(10-20% CHANCE) MAINLY OVER EASTERN OR AND SOUTH OF THE SNAKE
BASIN IN ID. SNOW LEVELS RANGE FROM 7000-8000FT WITH THIS
SYSTEM. MINIMAL SNOW ACCUMULATIONS EXPECTED OVER THE MOUNTAINS.
SHOWERS AND THUNDERSTORMS SUNDAY AND MONDAY AFTERNOON HAVE THE
POTENTIAL TO PRODUCE GUSTY OUTFLOW WINDS UP TO 30-40 MPH.
LONG TERM...TUESDAY THROUGH SATURDAY
UPPER LEVEL RIDGING
RETURNS ON TUESDAY AHEAD OF THE NEXT SYSTEM. TEMPERATURES
TUESDAY WILL BE THE WARMEST OF THE PERIOD, WITH MID 60S
POSSIBLE ACROSS THE SNAKE BASIN, OR AROUND 10-15 DEGREES ABOVE
NORMAL. ENSEMBLES BRING A POTENT COLD FRONT THROUGH THE AREA ON
WEDNESDAY AFTERNOON, WITH SNOW LEVELS FALLING TO 3500-4500 FEET
BY THURSDAY. SNOW SHOWERS CONTINUE OVER THE HIGHER TERRAIN
THURSDAY WITH THE COLD UNSTABLE AIR ALOFT. CONDITIONS DRY OUT ON
FRIDAY BETWEEN SYSTEMS. A RETURN TO COOL AND UNSETTLED BY THE
FOLLOWING WEEKEND WITH MOIST NORTHWEST FLOW EXPECTED AND
TEMPERATURES SLIGHTLY BELOW NORMAL.
AVIATION
VFR. INCREASING CLOUDS AND SHOWERS DEVELOPING IN THE
AFTERNOON IN E OR WITH MVFR CEILINGS AND MOUNTAIN OBSCURATION.
SNOW LEVELS: 7000-8500 FT MSL. A 15% CHANCE OF AFTERNOON
LIGHTNING NEAR NV BORDER. SURFACE WINDS: VARIABLE 5-15 KT.
WINDS ALOFT AT 10KFT MSL: WESTERLY 10-30 KT, STRONGEST NORTH OF
KBKE TO KSNT.
KBOI...VFR. WIND: SE 5-10 KT DURING THE NIGHT, NW 5KT DURING
THE AFTERNOON.
SUNDAY OUTLOOK...SHOWERS EXPANDING NORTHWARD SUNDAY. A 15% CHANCE OF
LIGHTNING NEAR NV BORDER. MVFR-IFR DEVELOPING IN MTN SNOW AND
HEAVIER RAIN SHOWERS. MTNS OBSCURED. SNOW LEVELS: 6-8KFT MSL, LOWER
FOR NORTH. SURFACE WINDS: SW-SE 5-15 KT, GUSTS UP TO 35 KT WITH
STORMS.
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
SHORT TERM...KA
LONG TERM....KA
AVIATION.....KA
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