498
FXUS65 KPIH 100905
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
205 AM MST SAT JAN 10 2026
KEY MESSAGES
- HIGH PRESSURE CONTINUES TO BRING MOSTLY DRY WEATHER INTO NEXT
WEEK.
- GRADUAL WARMING BEGINS THIS WEEKEND.
- PATCHY DENSE FOG POTENTIAL EARLY THIS MORNING AND AGAIN
TONIGHT.
SHORT TERM /THROUGH TONIGHT/
ISSUED AT 155 AM MST SAT JAN 10 2026
HIGH PRESSURE OVER THE SOUTHWESTERN US MAKES FOR SOME RELATIVELY
QUIET WEATHER AFTER AN ACTIVE WEEK. THE RIDGE AXIS WILL MOVE
DIRECTLY OVER EASTERN IDAHO TODAY AND DRY CONDITIONS ARE STILL
EXPECTED, THOUGH WE HAVE SEEN SOME LIGHT SEEDER-FEEDER SNOW UP IN
THE ISLAND PARK TO DRIGGS AREA AS UPPER LEVEL CLOUDS ARE MOVING OVER
THIS MORNING'S LOW STRATUS IN THE SAME AREA. THOSE LOW CLOUDS REMAIN
OVER A GOOD PORTION OF THE SOUTH HILLS, EASTERN HIGHLANDS, AND UPPER
SNAKE RIVER PLAIN. SO FAR, THE WIND SEEMS TO BE STRONG ENOUGH TO
KEEP IT ELEVATED ENOUGH TO KEEP THESE CLOUDS AS LOW STRATUS.
MORE LOW STRATUS HAS BEEN DEVELOPING OUT ACROSS THE INL/ARCO
DESERT, SO THAT IS ANOTHER AREA WE WILL CONTINUE TO WATCH. THIS
AFTERNOON, HIGHS WILL WARM INTO THE 30S FOR MANY WITH PARTS OF
THE EASTERN MAGIC VALLEY AND SOUTH HILLS COMING CLOSE TO
REACHING THE 40 DEGREE MARK. THIS SHOULD FINALLY ALLOW FOR A BIT
OF MELTING TO THE SNOW THAT FELL (FOR SOME OF US) THE OTHER
NIGHT AND THAT IN ADDITION TO DIMINISHING WINDS WILL MAKE FOR
SOME PATCHY DENSE FOG ONCE AGAIN TONIGHT INTO SUNDAY MORNING.
LONG TERM /SUNDAY THROUGH FRIDAY/
ISSUED AT 147 PM MST FRI JAN 9 2026
THE EXTENDED TIMEFRAME WILL BE FAIRLY UNEVENTFUL, WITH DRY AND
WARMER THAN AVERAGE CONDITIONS. THE SOLE CONCERN WILL BE THE
POTENTIAL FOR FOG DURING THE OVERNIGHT AND EARLY MORNING HOURS.
OTHERWISE, CONDITIONS WILL REMAIN DRY AND WINDS LIGHT UNDER HIGH
PRESSURE. DAYTIME TEMPERATURES WILL SPAN THE 30S AND 40S, WARMING TO
5 TO 10 DEGREES ABOVE NORMAL FOR THIS TIME OF YEAR. THE NEXT
POTENTIAL CHANCE FOR ANY PRECIPITATION WILL BE THURSDAY EVENING, AT
THE EARLIEST. APPROXIMATELY 40 PERCENT OF TOTAL ENSEMBLE CLUSTER
MEMBERS SUGGEST A BREAKDOWN OF THE UPPER LEVEL RIDGE COME LATE NEXT
WEEK/WEEKEND, HOWEVER, OVER HALF THE MEMBERS FAVOR A PERSISTENT
RIDGE THROUGH AT LEAST NEXT WEEKEND.
AVIATION /06Z TAFS THROUGH 06Z SUNDAY/
ISSUED AT 953 PM MST FRI JAN 9 2026
MAIN IMPACT WILL BE POTENTIAL FOR STRATUS DEVELOPING OVERNIGHT
AND HAVE ADDED MVFR TO IFR CONDITIONS AT DIJ, PIH AND IDA. THINK
WINDS A BIT TOO STRONG FOR ANY FOG DEVELOPMENT. DROPPED CEILINGS
TO MVFR AT PIH AND IDA NEAR 12Z AND AT DIJ AT 09Z. WENT MAINLY
BACK TO VFR AFTER 18Z SATURDAY AT ALL SITES. FOR NOW KEPT IT VFR
THROUGH 06Z SUNDAY NIGHT. WILL HAVE WINDS MAINLY DROPPING TO
UNDER 10 KNOTS TONIGHT AND REMAINING LIGHT SATURDAY.
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
SHORT TERM...AMM
LONG TERM...CROPP
AVIATION...GK
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