025  
FXUS65 KPIH 261724  
AFDPIH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE POCATELLO ID  
1124 AM MDT SAT SEP 26 2026  
   
KEY MESSAGES  
 
- COOLER WEATHER TODAY, ABOUT 10 DEGREES OR SO COOLER THAN  
FRIDAY.  
 
- ISOLATED TO SCATTERED SHOWERS AND STORMS SUNDAY AND MONDAY, IN  
THE EASTERN MOUNTAINS AND CENTRAL MOUNTAINS.  
 
 
   
DISCUSSION  
 
ISSUED AT 208 AM MDT SAT SEP 26 2026  
 
WILL HAVE DRY CONDITIONS CONTINUING TODAY WITH WINDS WEAKENING  
QUITE A BIT FROM WHAT THEY WERE YESTERDAY AND OVERNIGHT LAST  
NIGHT. WILL STILL HAVE GUSTS 20 TO 30 MPH IN THE ARCO DESERT  
OVER THE INL SITES BUT MOST GUSTS UNDER 20 MPH ELSEWHERE. WILL  
HAVE MUCH COOLER CONDITIONS TODAY BEHIND THE COLD FRONTAL  
PASSAGE WITH HIGHS IN THE 50S TO LOWER 60S HIGH ELEVATIONS AND  
MAINLY 60S IN LOWER ELEVATIONS. THE NEXT TROF APPROACHES FROM  
THE WEST SUNDAY INTO MONDAY WITH THE CHANCE OF SHOWERS AND  
THUNDERSTORMS RETURNING SUNDAY EVENING THROUGH MONDAY WITH  
ALMOST ALL ACTIVITY IN THE EASTERN MOUNTAIN REGION. WILL ALSO  
SEE SOME IN THE CENTRAL MOUNTAINS BUT NOT EXPECTING MUCH  
ELSEWHERE IN THE SNAKE RIVER PLAIN OR MAGIC VALLEY. SUNDAY WILL  
BE MUCH WARMER AGAIN WITH HIGH TEMPERATURES WELL ABOVE NORMAL  
INTO THE MID TO UPPER 70S AGAIN IN LOW ELEVATIONS WITH COOLING  
AGAIN MONDAY BEHIND THE TROF WITH HIGHS BACK INTO THE 60S AND  
LOWER 70S AGAIN DOWN LOW. THE REST OF THE WEEK TUESDAY INTO NEXT  
SATURDAY LOOKS DRY WITH SEASONABLE TEMPERATURES A FEW DEGREES  
BELOW TO ABOVE AVERAGE. WINDS NOT EXPECTED TO BE OVERLY  
IMPACTFUL THROUGH THE FORECAST PERIOD AS WELL.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/  
 
ISSUED AT 1119 AM MDT SAT SEP 26 2026  
 
EXPECT VFR CONDITIONS THROUGH THE PERIOD. WINDS WILL INCREASE  
AFTER 18Z WITH GUSTS OF 15 TO 20 KTS LIKELY. WINDS WILL NOT BE  
AS STRONG AS YESTERDAY AFTERNOON. WINDS WILL DROP OFF BY EARLY  
EVENING. A VERY WEAK WAVE WILL BRING MAINLY MID-LEVEL CIGS  
OVERNIGHT INTO EARLY TOMORROW MORNING. SUN AND DIJ COULD SEE  
LOWER CIGS, AS LOW AS 5 TO 6K FEET WITH VICINITY SHOWERS  
POSSIBLE. EXPECT IMPROVING CIGS BY LATE MORNING.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 208 AM MDT SAT SEP 26 2026  
 
DRY CONDITIONS EXPECTED TODAY WITH SOME LIGHT RAIN CHANCES IN  
ZONES 475 AND 476 SUNDAY INTO MONDAY. ZONES 411, 413 AND 410  
HAVE A CHANCE FOR SHOWERS AND THUNDERSTORMS SUNDAY EVENING  
THROUGH MONDAY AS WELL. DRY CONDITIONS EXPECTED ALL LOCATIONS  
TUESDAY THROUGH NEXT SATURDAY. TEMPERATURES MUCH COOLER TODAY,  
WARMING SUNDAY THEN COOLING AGAIN MONDAY WITH NEAR NORMAL  
TEMPERATURES THROUGH THE REMAINDER OF THE WEEK. SOME WIND GUSTS  
15 TO 25 MPH TODAY MAINLY ZONE 410 AND 427 TODAY AND SUNDAY. NOT  
EXPECTING WIND IMPACTS THE REMAINDER OF NEXT WEEK.  
 
 
   
PIH WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
DISCUSSION...GK  
AVIATION...TW  
FIRE WEATHER...GK  
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