293
FXUS65 KPIH 091754
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
1054 AM MST FRI JAN 9 2026
KEY MESSAGES
- LIGHT SNOW LINGERING IN THE EASTERN HIGHLANDS TODAY.
- HIGH PRESSURE BUILDS BRINGING MOSTLY DRY WEATHER NEXT WEEK.
- GRADUAL WARMING BEGINS THIS WEEKEND.
SHORT TERM /THROUGH TONIGHT/
ISSUED AT 203 AM MST FRI JAN 9 2026
A LITTLE BIT LESS ACTIVE IN THE SHORT TERM FORECAST NOW AS HIGH
PRESSURE BEGINS TO BUILD IN OVER EASTERN IDAHO TODAY. A FEW
LINGERING SNOW SHOWERS WILL CONTINUE TODAY UP IN THE MOUNTAINS
OF THE EASTERN HIGHLANDS, BUT WE'RE TALKING ABOUT 1-3 INCHES OF
SNOW ABOVE PASS LEVEL. EVERYWHERE ELSE WILL BE DRY TODAY AND IT
SHOULD BE A DRY WEEKEND, TOO. IT'S STILL A BIT BREEZY IN PARTS
OF THE SOUTH HILLS EARLY THIS MORNING WITH GUSTS AROUND 40-45
MPH STILL, BUT THOSE WILL DIMINISH THROUGHOUT TODAY. THIS WIND
HAS BEEN ENOUGH TO KEEP MUCH FOG FROM FORMING THIS MORNING, BUT
LIGHTER WINDS TONIGHT MEANS OUR CHANCES FOR FOG WILL BE
INCREASING. SO, THAT'S SOMETHING TO KEEP IN MIND IF YOU ARE
HEADING OUT LATE TONIGHT OR EARLY SATURDAY MORNING. HIGHS TODAY
REMAIN COOL, IN THE UPPER 20S TO LOW AND MID 30S, BUT LOW TO MID
30S IS RIGHT ON TARGET FOR OUR NORMAL TEMPERATURES FOR THIS
TIME OF THE YEAR. HEADING INTO TONIGHT, TEMPERATURES WILL FALL
INTO THE TEENS AND LOW 20S FOR MOST.
LONG TERM /SATURDAY THROUGH THURSDAY/
ISSUED AT 1144 AM MST THU JAN 8 2026
DRY AND MORE TRANQUIL CONDITIONS ARE EXPECTED FOR THE WEEKEND AND
INTO EARLY NEXT WEEK AS A RIDGE OF HIGH PRESSURE BUILDS OVER THE
REGION. THIS SHOULD LEAD TO QUIET WEATHER ACROSS EASTERN IDAHO WITH
THE ONLY CONCERN BEING THE POTENTIAL FOR SOME VALLEY INVERSIONS AND
MAYBE SOME PATCHY FOG IN AREAS WITH SNOWPACK AND/OR MELTING SNOW
KEEPING THE LOWER LEVELS MOIST. TEMPERATURES WILL MODERATE GRADUALLY
THROUGH MID-WEEK WITH MOSTLY DRY WEATHER PREVAILING, THROUGH SOME
OCCASIONAL PRECIP CHANCES APPEAR POSSIBLE MAINLY ALONG THE DIVIDE
AND OVER TOWARDS ISLAND PARK AS SOME LIMITED MOISTURE MAY BE ABLE TO
MOVE ON THE NORTHERN PERIPHERY OF THE RIDGE. MOST OF THE MOISTURE
LOOKS TO STAY NORTH OF THE REGION HOWEVER BASED ON RECENT MODEL
TRENDS SO THESE POP CHANCES WOULD BE RATHER LOW. TEMPERATURES WILL
REMAIN ON THE WARM SIDE OF NORMAL THROUGH THE PERIOD, BY AROUND 5
DEGREES FOR THE WEEKEND, BUT WARM CLOSER TO 10 DEGREES ABOVE NORMAL
BY THE MIDDLE OF NEXT WEEK AS THIS GENERALLY MILD WINTER CONTINUES
ACROSS EASTERN IDAHO.
AVIATION /18Z TAFS THROUGH 18Z SATURDAY/
ISSUED AT 1052 AM MST FRI JAN 9 2026
THE ONLY CONCERN IN THIS FORECAST PERIOD IS THE POTENTIAL FOR FOG OR
LOW STRATUS OVERNIGHT INTO THE FIRST PART OF SATURDAY GIVEN THE
RECENT SNOW AND SUNSHINE TODAY/LIGHT WINDS WITH HIGH PRESSURE
BUILDING OVER THE REGION. HAVE CONTINUED THE MVFR TREND AT KPIH AND
KDIJ BUT HAVE INCLUDED IFR CIGS AT KIDA BY 14Z, WITH A TEMPO TO
TRANSITION FROM MVFR, SUPPORTED BY MODEL GUIDANCE. THE HREF
INDICATES A 65 TO 80 PERCENT LIKELIHOOD OF MVFR CIGS AT KIDA 06Z
THROUGH 17Z AND A 50 TO 60 PERCENT CHANCE OF IFR CIGS 06Z THROUGH
14Z, WITH LESS THAN 50% CHANCE OF IFR AT KDIJ. HOWEVER, NATIONAL
BLEND PROBABILITIES ARE NOT AS HIGH, WITH UP TO 50% CHANCE OF ONLY
MVFR CIGS AT KIDA AND ONLY A 30 PERCENT CHANCE OF MVFR CIGS AT KDIJ
BEGINNING AT 02Z, INCREASING TO 50 TO 70 PERCENT BETWEEN 07Z AND
17Z. IT FEATURES LESS THAN 20 PERCENT CHANCE OF MVFR AT KSUN
AND KBYI THROUGH MORNING.
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
SHORT TERM...AMM
LONG TERM...MCKAUGHAN
AVIATION...CROPP
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