263
FXUS65 KBOI 070904
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
304 AM MDT MON JUL 7 2025
SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT
ZONAL FLOW ALOFT
BECOMES SW LATER TODAY AS WE START TO HEAT UP AGAIN. TODAY'S
HIGHS WILL BE 3 TO 5 DEGREES ABOVE NORMAL, BUT TOMORROW WILL BE
AROUND 10 DEGREES ABOVE NORMAL! THAT MEANS TEMPS OVER 100 FOR
MOST OF THE LOWER ELEVATIONS (BELOW AROUND 3500 FT MSL). THE
FORECAST FOR TUE HAS SHOWN SOME "BOUNCE" THIS MORNING, JUMPING
UP ABOVE WHAT THE PREVIOUS FORECAST SHOWED. IF THE NEXT FORECAST
CONTINUES AT THIS HOTTER LEVEL, A HEAT WARNING OR ADVISORY MAY
BE NECESSARY FOR THE LOWER TREASURE VALLEY OF OREGON.
A SHORTWAVE WILL MOVE TOWARD THE REGION MONDAY THROUGH EARLY
WEDNESDAY, PASSING OVER THE REGION LATE WED AND WED NIGHT.
SHOWERS AND THUNDERSTORMS MAY DEVELOP (10-20% CHANCE) TUE
AFTERNOON OR EVENING AHEAD OF THIS SYSTEM AND ITS ASSOCIATED
COLD FRONT, WITH NORTHWESTERN AND NORTHERN PARTS OF THE CWA
FAVORED. THE FRONT WILL MOVE THROUGH TUE NIGHT INTO EARLY WED.
WINDS WILL INCREASE BEHIND THE FRONT WED AFTERNOON TO NORTHWEST
10-20 MPH, BUT OTHERWISE GENERALLY LIGHT WINDS ARE FORECAST
TODAY AND MOST OF TUESDAY. TEMPS ON WED DROP BACK DOWN TO JUST A
FEW DEGREES ABOVE NORMAL. AS THE TROUGH MOVES THROUGH LATE WED
INTO WED NIGHT, SHOWERS AND THUNDERSTORMS ARE AGAIN POSSIBLE
(10-20% CHANCE), THIS TIME OVER MUCH OF THE AREA.
LONG TERM...THURSDAY THROUGH MONDAY
THURSDAY WILL SEE A LONGWAVE
TROUGH STEERING NORTH OF THE AREA, BRINGING SLIGHT COOLING INTO THE
UPPER 80S FOR THE VALLEYS. NO PRECIPITATION IS EXPECTED FROM THIS
SYSTEM FOR SOUTHWEST ID AND SOUTHEAST OR. A STRONG HIGH PRESSURE
SYSTEM IS EXPECTED TO SLOWLY BUILD INTO CALIFORNIA AND THE FOUR
CORNERS REGION FRIDAY THROUGH MONDAY, RETURNING A WARMING AND DRYING
TREND AS IT EXPANDS INTO THE GREAT BASIN AND NORTHWEST REGIONS.
VALLEY DAYTIME TEMPERATURES ARE EXPECTED TO RETURN TO THE LOWER 90S
FRIDAY AND IN THE MID TO UPPER 90S SATURDAY THROUGH MONDAY.
AVIATION
VFR UNDER MOSTLY CLEAR SKIES. SURFACE WINDS: MOSTLY
VARIABLE LESS THAN 10 KT, BECOMING W-NW 5-10 KT MONDAY AFTERNOON,
EXCEPT N-NE 5-15 KT ALONG THE NV BORDER. WINDS ALOFT AT 10KFT
MSL: W-NW 5-15 KT.
KBOI...VFR. SURFACE WINDS: VARIABLE LESS THAN 6 KT, BECOMING W-NW 5-
10 KT MONDAY AFTERNOON.
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....JY
AVIATION.....JY
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