249
FXUS65 KBOI 291127
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
527 AM MDT MON JUN 29 2026
UPDATE
UPDATED AVIATION DISCUSSION.
KEY MESSAGES
- SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON
AND EVENING ACROSS CENTRAL IDAHO.
- PRECIPITATION WILL PERSIST ACROSS THE WEST CENTRAL MOUNTAINS
THROUGH TODAY, WITH ANOTHER ROUND OF SHOWERS RETURNING
TUESDAY AFTERNOON.
- WARMER AND DRIER CONDITIONS TUESDAY THROUGH THURSDAY.
SHORT TERM /THROUGH WEDNESDAY NIGHT/
ISSUED 259 AM MDT MON JUN 29 2026
THE AREA OF LOW PRESSURE THAT HAS BEEN THE MAIN DRIVER OF OUR
WEATHER OVER THE PAST SEVERAL DAYS HAS SHIFTED TO THE NORTHEAST
OVER WESTERN MONTANA. WRAP-AROUND MOISTURE IS STREAMING INTO THE
AREA FROM THE NORTH WITH RADAR IMAGERY INDICATING LIGHT
PRECIPITATION ACROSS NORTHEAST OREGON AND CENTRAL/NORTHERN
IDAHO. THESE SHOWERS ARE EXPECTED TO WORK THROUGH THE AREA
TODAY, ESPECIALLY ACROSS THE CENTRAL IDAHO MOUNTAINS. ENOUGH
INSTABILITY WILL BE PRESENT THIS AFTERNOON/EVENING FOR AN
ISOLATED THUNDERSTORM AS WELL. THE LOW IS EXPECTED TO CONTINUE
TO TRACK EAST OF THE REGION WITH DIMINISHING SHOWER CHANCES
TUESDAY INTO WEDNESDAY. TEMPERATURES WILL WARM 5-10 DEGREES EACH
DAY.
LONG TERM /THURSDAY THROUGH MONDAY/
ISSUED 259 AM MDT MON JUN 29 2026
A BROAD SCALE TROUGH OF LOW PRESSURE IS EXPECTED TO LINGER OVER
THE REGION THROUGH THE WEEK, WITH GRADUAL WARMING EXPECTED AS
ATMOSPHERIC HEIGHTS BEGIN TO RISE. TEMPERATURES WILL APPROACH
AND EXCEED AVERAGE VALUES BY LATE WEEK AND THERE IS AN OUTSIDE
CHANCE OF TEMPERATURES EXCEEDING 95 DEGREES (10% CHANCE) FOR
LOWER ELEVATIONS BY FRIDAY. MODEL TRENDS INDICATE A DRYING
TREND AS WELL THROUGHOUT THE WEEK.
AVIATION /12Z MONDAY THROUGH TUESDAY/
ISSUED 526 AM MDT MON JUN 29 2026
GENERALLY VFR. LIGHT PRECIP MAINLY ACROSS NORTHEAST OR AND CENTRAL
ID THROUGH MORNING, THEN ISOLATED/SCATTERED SHOWERS ACROSS THE AREA
MONDAY AFTERNOON. MVFR/IFR IN MTN SHOWERS, WITH LIGHT SNOW ABOVE
8KFT MSL. MTNS OBSCURED. SURFACE WINDS: SW-NW 5-15 KT. GUSTS TO 15-
25 KT MONDAY AFTERNOON. WINDS ALOFT AT 10KFT MSL: NW 15-30 KT.
KBOI...VFR. PERIODS OF LIGHT RAIN BEFORE 16Z, THEN A 15% CHANCE
OF LIGHT RAIN RETURNING MONDAY AFTERNOON. FOOTHILLS OBSCURED
WITH SCT-BKN CLOUDS BETWEEN 5000-7000 FT AGL. SURFACE WINDS:
LIGHT AND VARIABLE OVERNIGHT, TRANSITIONING TO NW 5-12 KT
MID/LATE MORNING. AFTERNOON GUSTS AROUND 20 KT.
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
AVIATION.....MC
SHORT TERM...MC
LONG TERM....MC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page