568  
FXUS65 KBOI 101542  
AFDBOI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
942 AM MDT THU JUL 10 2025  
   
DISCUSSION
 
DRY AND COOLER CONDITIONS ARE EXPECTED TODAY,  
WITH HIGH TEMPERATURES RUNNING ABOUT 3 DEGREES BELOW NORMAL. A  
THICK LAYER OF SMOKE FROM WILDFIRES IN NORTHERN CALIFORNIA AND  
SOUTH- CENTRAL OREGON WAS VISIBLE ON SATELLITE EARLIER THIS  
MORNING, BUT INCREASING NORTHWESTERLY FLOW ALOFT IS HELPING TO  
PUSH MUCH OF IT SOUTH. AS A RESULT, MOSTLY CLEAR SKIES ARE  
EXPECTED ACROSS THE FORECAST AREA BY EARLY AFTERNOON.  
 
THAT SAID, SOME RESIDUAL SMOKE REMAINS POSSIBLE, PARTICULARLY  
IF ANY NEW FIRES WERE SPARKED BY YESTERDAY’S THUNDERSTORMS.  
WE'LL CONTINUE TO MONITOR SMOKE TRENDS THROUGHOUT THE DAY.  
 
WINDS WILL BE BREEZY THIS AFTERNOON, ESPECIALLY ACROSS THE SNAKE  
RIVER PLAIN EAST OF BOISE, WHERE GUSTS OF 25 TO 35 MPH ARE  
LIKELY. NO UPDATES TO THE FORECAST ARE NEEDED AT THIS TIME.  
 

 
   
AVIATION
 
GENERALLY VFR. SURFACE HAZE AND SMOKE LAYERS ALOFT  
NEAR NV BORDER, EXITING TOWARD NV TODAY. SURFACE WINDS: W TO NW  
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, WITH GUSTS AROUND 20 KT  
AFTER 10/16Z.  
 
WEEKEND OUTLOOK: VFR WITH SMOKE LAYERS ALOFT. HIGH DENSITY  
ALTITUDE DUE TO HOT TEMPS, ESPECIALLY SUNDAY THROUGH NEXT WEEK.  
SURFACE WINDS: NW-W 5-15 KT WITH GUSTS 15-25 KT IN THE  
AFTERNOONS.  
 

 
   
PREV DISCUSSION
 
 
SHORT TERM...TODAY THROUGH SATURDAY NIGHT...THE REGION WILL  
REMAIN UNDER A DRY NORTHWEST FLOW TODAY WITH TEMPERATURES 4-8  
DEGREES COOLER THAN YESTERDAY. BREEZY CONDITIONS ACROSS OPEN  
TERRAIN WILL BRING GUSTS OF 25 TO 35 MPH TO AREAS SOUTH AND EAST  
OF MTN HOME THROUGH THIS EVENING. FRIDAY AND SATURDAY ARE DRY  
WITH TEMPERATURES BUMPING UP A COUPLE OF DEGREES EACH DAY AS AN  
UPPER RIDGE OVER THE DESERT SW FLEXES NORTHWARD. DAYTIME MIXING  
WILL BRING NORTHWEST WINDS EACH AFTERNOON WITH WINDIER SPOTS  
SEEING GUSTS TO 25 MPH.  
 
LONG TERM...SUNDAY THROUGH THURSDAY...A LARGE HIGH PRESSURE  
SYSTEM DEVELOPING OVER SOUTHERN CALIFORNIA WILL BUILD INTO THE  
ENTIRE WESTERN CONUS REGION, RETURNING A WARMING AND DRYING  
TREND SUNDAY INTO NEXT WEEK. VALLEY DAYTIME TEMPERATURES ARE  
EXPECTED TO CLIMB BACK INTO THE UPPER 90S SUNDAY AND GENERALLY  
REMAIN IN THIS RANGE THROUGH THURSDAY. AN UPPER TROUGH DIGGING  
DOWN INTO THE NORTHERN ROCKIES ON TUESDAY MAY BRING SOME  
SHOWERS/THUNDERSTORMS IN THE HIGHER ELEVATIONS, BUT GUIDANCES DO  
NOT FAVOR ANY PRECIPITATION OR MUCH OF A COOLING TREND AT THIS  
TIME. WEDNESDAY AND THURSDAY WILL SEE A CONSIDERABLE GUIDANCE  
UNCERTAINTY OVER THE ARRIVAL OF ANOTHER TROUGH FROM BRITISH  
COLUMBIA. FOR NOW, DRY AND WARM CONDITIONS ARE EXPECTED  
THROUGHOUT THE LONG TERM PERIOD.  
 

 
   
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  
 
DISCUSSION...JDS  
AVIATION.....SH  
SHORT TERM...DG  
LONG TERM....JY  
 
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