454
FXUS65 KBOI 150900
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
300 AM MDT MON AUG 15 2022
SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT
DRY SOUTHWESTERLY
FLOW ALOFT WILL MAINTAIN MOSTLY CLEAR SKIES AS A HIGH PRESSURE
RIDGE BUILDS INTO THE INTERMOUNTAIN WEST. TEMPERATURES WILL
GRADUALLY INCREASE THROUGH MID-WEEK WITH MOST LOWER VALLEY
LOCATIONS REACHING TRIPLE DIGITS BY TUESDAY. ACROSS THE TREASURE
VALLEY, CONFIDENCE IS INCREASING OVER NEAR-RECORD OR RECORD-
BREAKING TEMPERATURES ON TUESDAY AND WEDNESDAY. HEAT IMPACTS WILL
CONTINUE TO BE CLOSELY MONITORED. MONSOONAL MOISTURE WILL STAY TO
THE SOUTH OF THE CWA ON MONDAY AND TUESDAY, BUT A WEAK SHORTWAVE
TROUGH WILL MOVE INLAND ON WEDNESDAY AND GENERATE AFTERNOON
SHOWERS AND ISOLATED THUNDERSTORMS ACROSS SOUTHERN HARNEY AND
MALHEUR COUNTIES.
LONG TERM...THURSDAY THROUGH MONDAY
AN UPPER LEVEL RIDGE WILL
CONTINUE TO BUILD INTO THE REGION, BRINGING TEMPERATURES 5-10
DEGREES ABOVE NORMAL THROUGH THE EXTENDED PERIOD. A WEAK SHORTWAVE
WILL PASS THROUGH THE REGION LATE FRIDAY. THIS WILL ALSO MOVE
MONSOON MOISTURE INTO OUR REGION, BRINGING AREAS OF SHOWERS AND
AFTERNOON THUNDERSTORMS NEAR THE NEVADA BORDER AND CENTRAL MOUNTAINS
THROUGH THE WEEKEND. THE UPPER LEVEL RIDGE WILL REBUILD INTO THE
REGION ON MONDAY AND BRING MOSTLY DRY AND WARM CONDITIONS, BUT A
LINGERING SHOWER IS POSSIBLE, ESPECIALLY IN HIGHER ELEVATIONS.
AVIATION
VFR AND MOSTLY CLEAR. HIGH DENSITY ALTITUDE DUE TO HOT
TEMPERATURES. SURFACE WINDS: VARIABLE 10 KT OR LESS. WINDS ALOFT AT
10K FEET MSL: S-SW 10-20 KT.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WWW.WEATHER.GOV/BOISE
WWW.FACEBOOK.COM/NWSBOISE
WWW.TWITTER.COM/NWSBOISE
SHORT TERM...AL
LONG TERM....SA
AVIATION.....SA
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