812  
FXUS65 KBOI 060237  
AFDBOI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
835 PM MDT SAT JUL 5 2025  
   
DISCUSSION
 
CLEAR AND COOL TONIGHT UNDER DRY WESTERLY FLOW  
ALOFT. THEN SUNNY AND WARMING NEXT FEW DAYS, WITH THE HOTTEST  
DAY TUESDAY WHEN HIGHS REACH 100 TO 105 DEGREES IN THE  
TREASURE VALLEY AND OTHER LOWER SOUTHERN VALLEYS, AND 80S  
AND 90S IN THE MOUNTAINS AND HIGHER VALLEYS. MODEST COOLING  
WEDNESDAY AND THURSDAY THEN HOTTER AGAIN NEXT WEEKEND. NO  
THUNDERSTORMS UNTIL AT LEAST TUESDAY. CURRENT FORECAST IS  
ON TRACK.  
 

 
   
AVIATION
 
VFR, EXCEPT FOR PATCHY FOG IN MOUNTAIN VALLEYS  
SUNDAY MORNING. OTHERWISE, MOSTLY CLEAR, EXCEPT CUMULUS  
BUILDUPS SUNDAY AFTERNOON OVER THE HIGHER TERRAIN. SURFACE  
WINDS: VARIABLE LESS THAN 10 KT, BECOMING W-NW 5-15 KT SUNDAY  
AFTERNOON. WINDS ALOFT AT 10KFT MSL: W-NW 10-20 KT.  
 
KBOI...VFR. SURFACE WINDS: VARIABLE 6 KT OR LESS, BECOMING  
W-NW 7-12 KT SUNDAY AFTERNOON.  
 

 
   
PREV DISCUSSION
 
 
SHORT TERM...TONIGHT THROUGH MONDAY NIGHT...THE REGION REMAINS  
DRY UNDER WESTERLY FLOW ON SUNDAY. TEMPERATURES WILL WARM TO  
NEAR NORMAL PLACING LOWER ELEVATIONS AT 85-90 DEGREES AND  
MOUNTAIN VALLEYS AT 75-80 DEGREES. MONDAY WILL SEE FURTHER  
WARMING AS A CLOSED LOW OFF THE CA AMPLIFIES A DOWNSTREAM  
RIDGE. FOR NOW IT LOOKS LIKE DRY AND STABLE CONDITIONS WILL  
INHIBIT SHOWER/STORM DEVELOPMENT ON MONDAY, WITH CUMULUS  
BUILDUPS ALONG THE NV BORDER REGION THE EXTENT OF ANY THREAT.  
HIGH TEMPERATURES ON MONDAY WILL RUN 5-10 DEGREES WARMER THAN  
SUNDAY, PUSHING VALLEYS INTO THE MID-90S.  
 
LONG TERM...TUESDAY THROUGH SATURDAY...THE HEAT WILL PEAK ON  
TUESDAY BENEATH THE UPPER RIDGE AXIS. LOWER ELEVATIONS  
INCLUDING THE TREASURE VALLEY, CLIMB TO 100-105 DEGREES, WITH  
HIGHS APPROACHING 90 DEGREES IN MOUNTAIN VALLEYS. INCREASING  
MID-LEVEL MOISTURE OVER CENTRAL OREGON WILL BE SOMETHING TO  
WATCH FOR THUNDERSTORM POTENTIAL. FOR NOW HAVE INCREASED  
SHOWER/STORM THREAT TO MINIMAL 10% ALONG AN ARC TRACING FROM  
HARNEY COUNTY THROUGH BAKER COUNTY AND INTO THE W-CENTRAL IDAHO  
MOUNTAINS. THE CLOSED LOW OFF THE CENTRAL CA COAST SLIPS INLAND  
ON WEDNESDAY, TRACKING INTO THE NORTHERN GREAT BASIN. SIMILAR TO  
MONDAY, FEEL ENSEMBLE BLEND IS UNDER- REPRESENTING POTENTIAL  
FOR AFTERNOON SHOWERS/STORMS ACROSS HIGHER TERRAIN ALONG THE  
OR/NV AND ID/NV BORDER. DID SLIGHTLY BUMP UP POPS IN SE OREGON  
AND HIGHER TERRAIN SOUTH OF THE SNAKE RIVER AND WOULD EXPECT  
THESE PROBABILITIES TO RISE AS WE GET INTO TUE/WED. THE  
REMAINDER OF NEXT WEEK LOOKS DRY WITH THE STORM TRACK REMAINING  
TO OUR NORTH AND EAST, AND AN AMPLIFYING UPPER RIDGE RETURNING  
BY NEXT WEEKEND. TEMPERATURES WILL HOLD AT OR ABOVE NORMAL  
THROUGH 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...LC  
AVIATION.....ST  
SHORT TERM...DG  
LONG TERM....DG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab ID Page
The Nexlab OR Page Main Text Page