186  
FXUS65 KPIH 151805  
AFDPIH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE POCATELLO ID  
1205 PM MDT WED OCT 15 2025  
   
KEY MESSAGES
 
 
- WIDESPREAD SHOWERS WITH A FEW THUNDERSTORMS TODAY, LINGERING  
INTO THURSDAY ESPECIALLY ALONG AND EAST OF INTERSTATE 15.  
 
- NEARLY ALL SNOW ACCUMULATION WILL REMAIN ABOVE ABOUT 7,000  
FEET, WITH LIMITED TRAVEL IMPACTS POSSIBLE AT A FEW PASSES.  
 
- DRIER WEATHER FOR MOST OF SOUTHEAST IDAHO FRIDAY AND SATURDAY.  
 

 
   
SHORT TERM /THROUGH TONIGHT/
 
 
ISSUED AT 151 AM MDT WED OCT 15 2025  
 
A WET DAY REMAINS ON TAP TODAY AS MULTIPLE ROUNDS OF RAIN,  
SHOWERS, HIGH-ELEVATION SNOW, AND ISOLATED THUNDERSTORMS  
AFFECT SOUTHEAST IDAHO. SNOW LEVELS WILL RANGE FROM 6,500 FEET  
TO 8,000 FEET, WITH NEARLY ALL SNOW ACCUMULATION CONFINED ABOVE  
ABOUT 7,000 FEET. FOR THOSE TRAVELING, THE POTENTIAL REMAINS  
FOR SLICK SPOTS OVER SOME MOUNTAIN PASSES, ESPECIALLY DURING  
COLDER OVERNIGHT/EARLY MORNING PERIODS. AND, FOR THOSE VENTURING  
INTO THE BACKCOUNTRY...OVER A FOOT OF SNOW IS LIKELY AT THE  
HIGHEST ELEVATIONS OF SOME OF THE MOUNTAINS SURROUNDING THE WOOD  
RIVER VALLEY REGION. OTHERWISE...ASIDE FROM THE FACT THAT IT  
WILL BE RAINING AT TIMES...OVERALL IMPACTS FROM THIS SYSTEM WILL  
BE QUITE LIMITED FOR MOST POPULATION CENTERS. COOLER HIGH  
TEMPERATURES TODAY WILL RUN ABOUT 5-10 DEGREES BELOW NORMAL FOR  
MID-OCTOBER...AND SIMILARLY...5-10 DEGREES BELOW YESTERDAY'S  
READINGS.  
 

 
   
LONG TERM /THURSDAY THROUGH TUESDAY/
 
 
ISSUED AT 105 PM MDT TUE OCT 14 2025  
 
THE DAY BEGINS THURSDAY WITH AN UPPER LOW CENTERED NEAR THE FAR SE  
CORNER OF THE GEM STATE. THURSDAY WILL REMAIN WELL BELOW NORMAL  
TEMPERATURE WISE WITH 40S AND LOW 50S ACROSS THE WESTERN HALF OF THE  
AREA WITH 30S AND 40S FOR OUR EASTERN ZONES (CLOSER TO THE LOW).  
WE'LL SEE PRECIP AND CLOUDS BEGIN TO TAPER OFF FROM WEST TO EAST  
THROUGHOUT THE DAY BUT AREAS ALONG AND EAST OF I-15 WILL HAVE TO  
WAIT UNTIL LATER IN THE AFTERNOON OR EVENING BEFORE CONDITIONS START  
TO IMPROVE. COLD TEMPERATURES IN THE EASTERN HIGHLANDS WILL SUPPORT  
SOME ACCUMULATING SNOWFALL ACROSS THE HIGHER TERRAIN (ABOVE 7000 FT)  
ON THURSDAY. BY DAYBREAK FRIDAY, UPPER LEVEL TROUGHING WILL QUICKLY  
TRANSITION TO A RIDGE ALLOWING FOR A BRIEF WARMING TREND FRIDAY INTO  
SUNDAY WITH MOSTLY DRY CONDITIONS AND MOSTLY SUNNY WEATHER THROUGH  
THE FIRST PART OF THE DAY ON SUNDAY. TEMPERATURES WILL REMAIN ON THE  
COOLER SIDE OF NORMAL FRI AND SAT BUT GET CLOSER TO SEASONAL NORMS  
BY SUNDAY BUT THAT'S WHEN THE WEATHER PATTERN LOOKS TO CHANGE ONCE  
AGAIN. MODELS SHOW A POTENT TROUGH ONCE AGAIN MOVING INTO THE  
PACIFIC NW WHICH WILL BRING PRECIP AND CLOUDS BACK INTO THE  
FORECAST FOR EASTERN IDAHO BY AS EARLY AS SUNDAY AFTERNOON BUT  
ESPECIALLY FOR MUCH OF THE DAY MONDAY AND INTO TUESDAY. ALONG WITH  
THE PRECIP, WE'LL SEE MUCH COLDER TEMPERATURES ONCE AGAIN FOR MONDAY  
AND TUESDAY WITH HIGHS RUNNING WELL BELOW NORMAL ALONG WITH VALLEY  
RAIN/MOUNTAIN SNOW CHANCES. COULD EVEN SEE SOME VALLEY PRECIP CHANGE  
OVER TO SNOW MONDAY NIGHT INTO TUESDAY AM BUT IT'S STILL UNCLEAR HOW  
MUCH PRECIP WILL REMAIN BY THAT POINT. EITHER WAY, AN ACTIVE FALL  
WEATHER PATTERN IS EXPECTED TO CONTINUE ACROSS THE REGION INTO THE  
THIRD WEEK OF OCTOBER.  
 

 
   
AVIATION /18Z TAFS THROUGH 18Z THURSDAY/
 
 
ISSUED AT 1204 PM MDT WED OCT 15 2025  
 
WIDESPREAD CLOUDS IN PLACE ACROSS THE REGION THIS AFTERNOON ALONG  
WITH GRADUALLY INCREASING RAINFALL COVERAGE. AS SUCH, CIGS WILL  
LIKELY BOUNCE BETWEEN VERY LOW END VFR TO IFR THROUGHOUT THE PERIOD  
WITH THE MOSTLY LIKELY OUTCOME SOMEWHERE IN BETWEEN WITH BKN/OVC  
CIGS AROUND 2KFT FEET OR SO. PRECIP INTENSITY WILL ALSO VARY AT  
TIMES SO VSBYS ARE HARD TO FORECAST ESPECIALLY WITH THE CURRENT GAPS  
IN RADAR DATA WHICH HOPEFULLY WILL BE RESOLVED SOON. EXPECT MAINLY  
MVFR CONDITIONS THROUGH SUNRISE TOMORROW WITH OFF AN ON  
PRECIPITATION. WINDS WILL REMAIN LIGHT HOWEVER OUTSIDE OF ANY  
THUNDERSTORMS, WHICH ARE POSSIBLE BUT CHANCES SEEM QUITE LOW. CIGS  
WILL BEGIN TO IMPROVE FROM WEST TO EAST THROUGHOUT THE DAY TOMORROW,  
NAMELY AT KSUN AND KBYI AND THEN INTO THE REMAINING TERMINALS BY THE  
END OF THE DAY TOMORROW BUT IT'LL PROBABLY TAKE AWHILE AT KPIH, KIDA  
AND KDIJ BEFORE WE SEE MUCH IN THE WAY OF IMPROVEMENT.  
 

 
   
FIRE WEATHER
 
 
ISSUED AT 151 AM MDT WED OCT 15 2025  
 
PERIODS OF WETTING RAINS AND HIGH-ELEVATION SNOW WILL CONTINUE  
TODAY AND TONIGHT, LINGERING THURSDAY ESPECIALLY ALONG AND EAST  
OF INTERSTATE 15 (BUT OVERALL ENDING FROM WEST TO EAST OVER THE  
COURSE OF THE DAY). DRIER CONDITIONS WILL BRIEFLY TAKE HOLD FOR  
FRIDAY AND SATURDAY.  
 

 
   
PIH WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  
 

 
 

 
 
SHORT TERM...01  
LONG TERM...MCKAUGHAN  
AVIATION...MCKAUGHAN  
FIRE WEATHER...01  
 
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