790  
FXUS65 KBOI 051548  
AFDBOI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
948 AM MDT SAT JUL 5 2025  
   
DISCUSSION  
SEEING MOSTLY CLEAR SKIES THIS MORNING AS THE  
UPPER WAVE EXITS INTO MT. THE WEST-CENTRAL ID MTNS HAVE WOKEN  
UP TO SOME FOG, AND CLOUDS THANKS TO YESTERDAY'S PRECIPITATION.  
THE FOG WILL BURN OFF BY NOON, WHILE AFTERNOON INSTABILITY WILL  
CONTINUE TO FEED CLOUD DEVELOPMENT. A SLIGHT CHANCE OF SHOWERS  
AND AFTERNOON THUNDERSTORMS WILL BE LIMITED TO MTNS NORTH AND  
EAST OF MCCALL AND YELLOW PINE. OTHERWISE DRY A MOSTLY SUNNY DAY  
ACROSS THE REST OF THE REGION WITH TEMPERATURES SLIGHTLY WARMER  
THAN YESTERDAY, BUT STILL 5-10 DEGREES BELOW NORMAL. BREEZY  
CONDITIONS WILL DEVELOP THIS AFTERNOON ACROSS S-CENTRAL ID  
BRINGING WIND GUSTS TO 25 MPH.  
 
 
   
AVIATION  
 
KBOI...GENERALLY VFR WITH SOME PATCHY LOW STRATUS IN MOUNTAIN  
VALLEYS MIXING OUT BY SAT/18Z. SURFACE WINDS: W-NW 5-15 KT.  
WINDS ALOFT AT 10KFT MSL: W-NW 10-20 KT.  
 
KBOI...VFR. SURFACE WINDS: NW 8-12 KT BECOMING VARIABLE  
OVERNIGHT.  
 
SUNDAY OUTLOOK...VFR WITH BRIEF PERIODS OF IFR DUE TO PATCHY LOW  
CLOUDS IN MOUNTAIN VALLEYS IN THE MORNING. SURFACE WINDS WILL BE  
LIGHT, MAINLY NE-NW 5-10 KT.  
 
 
   
PREV DISCUSSION  
 
SHORT TERM...TODAY THROUGH MONDAY NIGHT...THE FINAL PIECE OF  
THE TROUGH THAT BROUGHT THE STRONG TO SEVERE THUNDERSTORMS  
YESTERDAY WILL EXIT THE AREA TO THE EAST THIS MORNING. BEHIND  
THAT, WE WILL SEE MAINLY ZONAL FLOW THROUGH MONDAY MORNING AS A  
RIDGE BEGINS TO BUILD IN FROM THE SOUTHEAST. OUR UPPER FLOW WILL  
TURN A LITTLE MORE SW MONDAY AFTERNOON INTO MONDAY NIGHT, AND  
THIS WILL INCREASE TEMPERATURES NOTABLY. HIGHS TODAY WILL BE  
AROUND 5 DEGREES BELOW NORMAL, RISE TO NEAR NORMAL SUNDAY, AND  
THEN GET TO 5 TO 10 DEGREES ABOVE NORMAL MONDAY. NO  
PRECIPITATION IS EXPECTED FOR MOST AREAS THROUGHOUT THE SHORT  
TERM. THE ONLY EXCEPTION IS A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS TODAY IN NORTHEAST VALLEY COUNTY.  
 
LONG TERM...TUESDAY THROUGH SATURDAY...STRONG MODEL AGREEMENT  
CONTINUES TO FAVOR A LARGE RIDGE BUILDING INTO THE AREA OFF THE FOUR  
CORNERS REGION TUESDAY AND WEDNESDAY, RETURNING HIGHER THAN NORMAL  
VALLEY TEMPERATURES INTO THE LOWER 100S ON TUESDAY AND THE UPPER 90S  
WEDNESDAY. THE RIDGE INTERACTING WITH A CLOSED UPPER LOW OFF THE  
CALIFORNIA COAST CONTINUES THE POSSIBILITY OF STEERING SOME  
MONSOONAL MOISTURE THROUGHOUT THE WEEK. WEDNESDAY AND THURSDAY WILL  
SEE THE LOW BREAKING OFF INTO A TROUGH THAT WILL DIG ACROSS THE  
AREA. GUIDANCE UNCERTAINTY REMAINS ON THE POTENTIAL MOISTURE  
AND PRECIPITATION BROUGHT BY THIS SYSTEM. STRONG RIDGING FROM  
THE FOUR CORNERS REGION IS EXPECTED TO BUILD BACK INTO THE AREA  
FRIDAY INTO SATURDAY.  
 
 
   
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...DG  
AVIATION.....DG  
SHORT TERM...SP  
LONG TERM....JY  
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