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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