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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