683  
FXUS65 KBOI 290941  
AFDBOI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
341 AM MDT SAT JUL 29 2017  
   
SHORT TERM...TODAY THROUGH SUNDAY
 
CONTINUED RELATIVELY WEAK  
SOUTHWEST FLOW ALOFT WILL KEEP THE HEAT ON OVER THE WEEKEND. TEMPS  
IN THE VALLEYS WILL BE NEAR 100 BOTH DAYS. MOISTURE AT MID-LEVELS  
WILL BE SUFFICIENT FOR A FEW AFTERNOON/EVENING THUNDERSTORMS BOTH  
DAYS, MAINLY IN THE HIGHER TERRAIN. GUSTS FROM ANY STORMS THAT  
FORM COULD REACH 50 MPH AS WE WILL HAVE CLASSIC INVERTED V  
SOUNDINGS. OTHERWISE, WINDS WILL BE RELATIVELY LIGHT.  
   
LONG TERM...SUNDAY NIGHT THROUGH FRIDAY
 
UPPER LEVEL RIDGE WILL  
CONTINUE TO BRING ABOVE NORMAL TEMPERATURES THROUGH THE EXTENDED  
PERIOD. ISOLATED THUNDERSTORMS WILL DEVELOP MAINLY OVER THE HIGHER  
TERRAIN DURING THE AFTERNOONS EACH DAY. THE RIDGE AXIS WILL BE  
JUST TO OUR WEST, KEEPING TEMPERATURES BELOW RECORDS UNDER WEST TO  
NORTHWEST FLOW ALOFT. BY FRIDAY, THE RIDGE AXIS SHIFTS ACROSS THE  
AREA, ALLOWING MONSOON MOISTURE TO MOVE IN UNDER DEEP SOUTHERLY  
FLOW ALOFT.  
 

 
   
AVIATION
 
VFR. ISOLATED AFTERNOON AND EVENING THUNDERSTORMS,  
MAINLY ACROSS THE HIGHER TERRAIN. SURFACE WINDS VARIABLE 10 KT,  
EXCEPT GUSTY OUTFLOW WINDS UP TO 45KT NEAR THUNDERSTORMS POSSIBLE.  
WINDS ALOFT NEAR 10KFT MSL SOUTHWEST 5-15KT.  
 
WEEKEND OUTLOOK...VFR. ISOLATED AFTERNOON AND EVENING  
THUNDERSTORMS, MAINLY OVER THE HIGHER TERRAIN.  
 

 
   
BOI WATCHES/WARNINGS/ADVISORIES
 
 
ID...NONE.  
OR...NONE.  
 

 
 

 
 
WWW.WEATHER.GOV/BOISE  
WWW.FACEBOOK.COM/NWSBOISE  
WWW.TWITTER.COM/NWSBOISE  
 
SHORT TERM...SP  
LONG TERM....KA  
AVIATION.....KA  
 
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