421  
FXUS65 KBOI 102023  
AFDBOI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
223 PM MDT THU JUL 10 2025  
   
SHORT TERM...TONIGHT THROUGH SATURDAY NIGHT  
DRY  
NORTHWESTERLY FLOW WILL PERSIST THROUGH THE WEEKEND, MAINTAINING  
GENERALLY QUIET WEATHER ACROSS THE REGION. WINDS WILL REMAIN  
LIGHT, WITH OCCASIONAL AFTERNOON GUSTS UP TO 25 MPH IN THE LOWER  
VALLEYS. SKIES WILL STAY MOSTLY CLEAR, THOUGH LOCALIZED AREAS  
OF SMOKE ARE POSSIBLE DUE TO NEW WILDFIRE ACTIVITY. A FEW  
ADDITIONAL FIRES HAVE BEEN DETECTED ON SATELLITE TODAY, AND IT’S  
LIKELY THAT A FEW MORE WILL BE SEEN THIS AFTERNOON AND EVENING.  
AT THIS TIME, SMOKE IMPACTS APPEAR MINIMAL.  
 
THE NORTHWESTERLY FLOW ALOFT SHOULD CONTINUE TO STEER SMOKE FROM  
LARGER FIRES IN SOUTH-CENTRAL OREGON AWAY FROM THE AREA.  
TEMPERATURES WILL TREND WARMER THROUGH THE WEEKEND—STARTING NEAR  
SEASONAL AVERAGES ON FRIDAY AND RISING TO ABOUT 5 DEGREES ABOVE  
NORMAL BY SUNDAY.  
   
LONG TERM...SUNDAY THROUGH THURSDAY  
HOT, DRY, AND BREEZY  
CONDITIONS ARE EXPECTED SUNDAY AND MONDAY AS STRONG HIGH PRESSURE  
DOMINATES THE SOUTHWEST U.S. AND INFLUENCES THE INTERMOUNTAIN WEST.  
A WEAK SHORTWAVE TROUGH WILL APPROACH FROM CANADA LATE MONDAY AND  
MOVE SOUTH-SOUTHEAST ALONG THE NORTHERN ROCKIES BY TUESDAY. WHILE  
THE MAIN BULK OF MID-LEVEL MOISTURE WILL REMAIN EAST OF THE FORECAST  
AREA, LATEST GUIDANCE SUPPORTS A 10-15% CHANCE OF THUNDERSTORMS  
FARTHER WEST INTO CENTRAL IDAHO TUESDAY AFTERNOON AND EVENING THAN  
PREVIOUSLY EXPECTED. SURFACE WINDS WILL ALSO INCREASE WITH THE  
TROUGH PASSAGE AND ASSOCIATED COLD FRONT, WITH GUSTS PEAKING AROUND  
LATE AFTERNOON. MAX TEMPERATURES WILL LOWER SLIGHTLY FROM MONDAY BUT  
ARE EXPECTED TO REMAIN A FEW DEGREES ABOVE NORMAL. THEREAFTER, HOT  
AND MOSTLY DRY CONDITIONS ARE EXPECTED TO RETURN BEHIND THE TROUGH.  
MODELS BECOME SOMEWHAT DISORGANIZED TOWARD THE END OF THE WEEK, BUT  
HINT AT THE POTENTIAL FOR SHOWERS/THUNDERSTORMS RETURNING AS  
SOUTHWEST FLOW DEVELOPS ALOFT.  
 
 
   
AVIATION  
VFR. LOCALIZED SMOKE NEAR WILDFIRES. SURFACE WINDS: W  
TO N 5-15 KT WITH 15-20 KT GUSTS...EXCEPT 10-20 KT WITH 25-30 KT  
GUSTS FOR SOUTH-CENTRAL ID. WINDS ALOFT AT 10KFT MSL: NW-W 10-25 KT.  
 
KBOI...VFR. SURFACE WINDS: NW 8-14 KT. GUSTS AROUND 20 KT THROUGH  
THIS EVENING.  
 
WEEKEND OUTLOOK: VFR. LOCALIZED SMOKE NEAR WILDFIRES. HIGH DENSITY  
ALTITUDE DUE TO HOT TEMPERATURES, ESPECIALLY SUNDAY/MONDAY. SURFACE  
WINDS: W-N 5-15 KT, WITH 15-25 KT GUSTS IN THE AFTERNOONS.  
 
 
   
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...JDS  
LONG TERM....SH  
AVIATION.....SH  
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