334
FXUS65 KBOI 070826
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
226 AM MDT THU AUG 7 2025
SHORT TERM...TODAY THROUGH SATURDAY NIGHT
A MOSTLY DRY COLD
FRONT WILL MOVE THROUGH THE AREA FROM LATE THIS AFTERNOON
THROUGH THE OVERNIGHT HOURS. THE ONLY CHANCE FOR SHOWERS AND
THUNDERSTORMS WILL BE CONFINED TO THE NORTHERN QUARTER OF THE
CWA...GENERALLY FROM BAKER COUNTY EAST THROUGH ADAMS AND
WASHINGTON COUNTIES AND FINALLY THROUGH VALLEY COUNTY. ANY
SHOWERS OR STORMS THAT DO FORM WILL MOVE EAST INTO VALLEY COUNTY
BY 6 PM MDT, THEN END COMPLETELY BY 9 PM MDT. IT WILL BE BREEZY
ALONG AND BEHIND THE FRONT FOR SEVERAL HOURS, WITH GUSTS 20-30
MPH LASTING WELL INTO THE EVENING AND EVEN AFTER MIDNIGHT FROM
AROUND MOUNTAIN HOME SOUTH AND EAST INTO THE WESTERN MAGIC
VALLEY. FRIDAY THROUGH SATURDAY NIGHT WILL BE DRY, AND AFTER A
RELATIVELY COOL FRIDAY (HIGHS 10-15 DEGREES BELOW NORMAL), TEMPS
WILL START TO WARM BACK UP ON SATURDAY.
LONG TERM...SUNDAY THROUGH THURSDAY
DRY, NORTHWEST FLOW ALOFT IS
ANTICIPATED SUNDAY AND MONDAY WHILE HIGH PRESSURE ATTEMPTS TO BUILD
FROM THE WEST AND SOUTH. THIS WILL RESULT IN A WARMING TREND FOR E
OREGON AND SW IDAHO, WITH TEMPERATURES RISING A FEW DEGREES FOR
SUNDAY AND NEAR-NORMAL BY MONDAY. FURTHER WARMING, ALONG WITH BREEZY
WINDS, WILL DEVELOP TUESDAY AHEAD OF A CANADIAN TROUGH EXPECTED BY
EARLY WEDNESDAY. THE COOLER AIR MASS OF THE TROUGH SHOULD BRING
TEMPS BACK DOWN BY A FEW DEGREES FOR WEDNESDAY AND THURSDAY. SOME
ENSEMBLE MEMBERS PULL IN WEAK, MID-LEVEL PACIFIC MOISTURE ALONG THE
NV BORDER WITH THE TROUGH ON WEDNESDAY, BUT PRECIPITATION CHANCES
REMAIN LOW AT THIS TIME. UNCERTAINTY ARISES AFTER WEDNESDAY IN THE
MODELS, BUT THERE ARE HINTS OF A SECONDARY TROUGH TO ARRIVE
THURSDAY.
AVIATION
VFR. WEAK, ISOLATED THUNDERSTORMS THIS AFTERNOON IN
WEST-CENTRAL IDAHO NEAR KMYL. LIGHT SMOKE LAYERS IMPROVING BY THIS
EVENING. SURFACE WINDS: SW TO NW UP TO 10 KT, THEN W TO NW 10-15 KT
WITH 20-30 KT GUSTS THIS AFTERNOON/EVE. LOCALIZED GUSTS UP TO 40 KT
BETWEEN KBKE-KONO THIS EVE. WINDS ALOFT AT 10KFT MSL: WESTERLY 15-25
KT.
KBOI...VFR. SURFACE WINDS: W TO NW 5-10 KT THIS MORNING, INCREASING
TO 10-15 KT WITH 20-25 KT GUSTS THIS AFTERNOON/EVE.
WEEKEND OUTLOOK...VFR FRIDAY THROUGH SUNDAY. SURFACE WINDS:
GENERALLY W-N 5-15 KT, AFTERNOON GUSTS TO 15-25 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
SHORT TERM...SP
LONG TERM....SH
AVIATION.....SH
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