772
FXUS65 KBOI 260943
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
243 AM MST MON JAN 26 2026
SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT
A RIDGE WILL SLOWLY
BUILD OVER THE AREA WITH A SLIGHT WARMING TREND MONDAY AND
TUESDAY. HIGH CLOUDS WILL STREAM INTO THE AREA AT TIMES, BUT
CONTINUED DRY. A TEMPERATURE INVERSION STRENGTHENS ON MONDAY
AND TUESDAY. A WEAK COLD FRONT MOVES THROUGH THE AREA ON
WEDNESDAY, BRINGING A 10-30 PERCENT CHANCE OF SHOWERS. SNOW
LEVELS WILL BE AROUND 3000-4000', WITH LITTLE TO NO ACCUMULATION
EXPECTED.
LONG TERM...THURSDAY THROUGH MONDAY
A PERSISTENT UPPER LEVEL
RIDGE WILL DOMINATE MUCH OF THE WEST THROUGH THE EXTENDED
PERIOD. THE MAIN STORM TRACK IS EXPECTED TO REMAIN NORTH OF THE
FORECAST AREA IN WA, NORTHERN IDAHO, AND CANADA, THOUGH
NORTHEAST OREGON AND WEST-CENTRAL IDAHO WILL HAVE A FEW
OPPORTUNITIES TO BE CLIPPED BY PRECIPITATION. THE HIGHEST
CHANCES (20-40%) WILL BE FRIDAY AND SUNDAY/MONDAY AS THE PASSING
TROUGHS FLATTEN THE RIDGE, WITH LOWER CHANCES (10-20%) ON
THURSDAY AND SATURDAY. THE WAVERING NATURE OF THE RIDGE HAS
REDUCED FORECAST CONFIDENCE IN MAXIMUM TEMPERATURES FOR THE
EXTENDED PERIOD, AS COLD POOLS WILL ATTEMPT TO FORM IN THE LOWER
VALLEYS OVER TIME. OVERALL, TEMPERATURES SHOULD SEE A GRADUAL
WARMING TREND, WITH THE POSSIBILITY OF REACHING 5-10 DEGREES
ABOVE NORMAL TEMPERATURES AREA-WIDE.
AVIATION
VFR. THICKENING MID/HIGH CLOUDS TODAY. SURFACE WINDS:
VARIABLE UP TO 12KT. WINDS ALOFT AT 10KFT MSL: W 10-20KT.
KBOI...VFR. SURFACE WINDS: SE 5-10KT, THEN LIGHT/VARIABLE BY LATE
MORNING.
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....SH
AVIATION.....SH
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