225  
FXUS65 KPIH 101740  
AFDPIH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE POCATELLO ID  
1140 AM MDT MON AUG 10 2026  
   
KEY MESSAGES  
 
- RED FLAG WARNINGS FOR THE CENTRAL MOUNTAINS AND THE SNAKE  
RIVER PLAIN/SHOSHONE REGION MONDAY AFTERNOON INTO EARLY  
EVENING DUE TO LOW RELATIVE HUMIDITY AND BREEZY WINDS.  
 
- VERY SMALL CHANCE FOR AN ISOLATED (VIRGA) SHOWER OR STORM  
MONDAY AFTERNOON, MAINLY IN THE SOUTH HILLS.  
 
- WILDFIRE SMOKE WILL CONTINUE TO IMPACT THE AREA ON AND OFF FOR  
THE NEXT FEW DAYS. EXPECT DECREASED AIR QUALITY AT TIMES WITH  
AN AIR QUALITY ADVISORY REMAINING IN EFFECT FOR CUSTER COUNTY.  
 
 
   
DISCUSSION  
 
ISSUED AT 146 AM MDT MON AUG 10 2026  
 
THE LEADING EDGE OF MONSOON MOISTURE WILL BE OVER THE SOUTHERN  
HIGHLANDS TODAY. EXPECT ANOTHER ROUND OF ISOLATED THUNDERSTORMS  
THIS AFTERNOON THERE. OTHERWISE, WARM AND BREEZY CONDITIONS ARE  
LIKELY TODAY WITH GUSTS OF 20 TO 30 MPH COMMON ACROSS MUCH OF  
THE REGION. HIGHS TODAY WILL BE IN THE LOW TO MID 90S FOR MANY  
OF OUR VALLEY COMMUNITIES.  
 
ANOTHER ROUND OF ISOLATED THUNDERSTORMS ACROSS THE SOUTHERN  
HIGHLANDS IS POSSIBLE TUESDAY AFTERNOON. HIGH TEMPS LOOK SLIGHTLY  
COOLER WITH MORE CLOUDS EXPECTED ACROSS THE REGION. THE BIGGER PUSH  
OF MOISTURE DOESN'T ARRIVE UNTIL TUESDAY NIGHT INTO WEDNESDAY. WITH  
A FAIR AMOUNT OF CLOUDS AROUND ON WEDNESDAY, HIGHS WILL PROBABLY  
STAY IN THE MID TO UPPER 80S. ALTHOUGH WE MAY HAVE TOO MUCH CLOUDS  
FOR MUCH THUNDERSTORM DEVELOPMENT.  
 
THURSDAY LOOKS VERY ACTIVE AS A TROUGH PUSHES INTO THE REGION.  
SCATTERED THUNDERSTORMS IS EXPECTED AND SOME OF THOSE STORMS COULD  
PRODUCE SOME HEAVY RAINFALL. WE REMAIN IN THE SOUTHWESTERLY MONSOON  
FLOW INTO FRIDAY. DEBATABLE OF HOW MUCH STORM COVERAGE WE ACTUALLY  
HAVE ON FRIDAY WITH QUITE A BIT OF MOISTURE MOVING THROUGH THE  
REGION. STILL, THE THREAT FOR HEAVY RAIN FROM THUNDERSTORMS EXISTS  
IF WE CAN GET STORMS TO DEVELOP.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z TUESDAY/  
 
ISSUED AT 1138 AM MDT MON AUG 10 2026  
 
MAIN IMPACT TODAY IS GOING TO BE 20 TO 25 KNOT WIND GUSTS WHICH  
ARE IN TAFS AT SUN, IDA, PIH AND DIJ AFTER 18Z THIS AFTERNOON  
THROUGH ABOUT 03Z WHEN THEY DIE DOWN. DO NOT THINK BYI WILL GUST  
MUCH MORE THAN 15 KNOTS AND DO NOT HAVE GUSTS IN TAFS BUT MAINLY  
A LOWER PROBABILITY THAN THE OTHER THREE SITES. WILL REMAIN VFR  
AND DO NOT HAVE SMOKE VISIBILITY RESTRICTIONS IN THIS SET OF  
TAFS, BUT NOT HIGH CONFIDENCE IN THAT.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 146 AM MDT MON AUG 10 2026  
 
RED FLAG WARNINGS ARE IN EFFECT FOR TODAY FOR PARTS OF THE  
CENTRAL MOUNTAINS, SNAKE RIVER PLAIN, AND EASTERN MAGIC VALLEY  
WHERE THE COMBINATION OF CRITICAL HUMIDITY AND WIND GUSTS OF 20  
TO 30 MPH WILL PRODUCE DANGEROUS FIRE CONDITIONS. ISOLATED  
STORMS ARE LIKELY ACROSS THE SOUTHERN HIGHLANDS ONCE AGAIN THIS  
AFTERNOON. WIND GUSTS LOOK A LITTLE LESS ON TUESDAY AT THIS  
TIME.  
 
 
   
AIR QUALITY  
 
ISSUED AT 209 AM MDT SAT AUG 8 2026  
 
AN AIR QUALITY ADVISORY REMAINS IN EFFECT FOR CUSTER COUNTY  
THROUGH MONDAY AFTERNOON DUE TO AIR QUALITY EXPECTED TO REMAIN  
IN THE "MODERATE" TO "UNHEALTHY FOR SENSITIVE GROUPS"  
CATEGORIES.  
 
 
   
PIH WATCHES/WARNINGS/ADVISORIES  
 
RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING FOR IDZ410-425-  
475-476.  
AIR QUALITY ALERT UNTIL 3 PM MDT THIS AFTERNOON FOR IDZ068>074.  
 
 
 
 
 
DISCUSSION...13  
AVIATION...GK  
FIRE WEATHER...13  
AIR QUALITY...AMM  
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