478
FXUS65 KPIH 191010
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
310 AM MST WED FEB 19 2025
SHORT TERM
TODAY AND THURSDAY.
EARLY MORNING SATELLITE SHOWS LOW STRATUS ACROSS THE UPPER SNAKE
RIVER PLAIN AND AREAS FURTHER SOUTHEAST, WITH LOCAL OBSERVATIONS
INDICATING VISIBILITY BELOW A HALF MILE AROUND IDAHO FALLS AND
AREAS FURTHER NORTH ALONG I-15. CLOUDS TO OUR WEST WILL SHIFT
OVERHEAD EARLY TODAY AS THE UPPER TROUGH OFF THE COAST MOVES
INLAND. SOUTHEAST IDAHO WILL SEE THE ONSET OF PRECIPITATION LATE
MORNING AND DURING THE AFTERNOON FOR AREAS FURTHER EAST. SNOW
LEVELS WILL RISE DURING THE AFTERNOON AS WIDESPREAD TEMPERATURES
WARM INTO THE MID TO UPPER-30S, WHICH WILL MEAN RAIN OR RAIN/SNOW
MIX IN THE EASTERN MAGIC VALLEY. EVEN MIXED PRECIPITATION WILL BE
POSSIBLE ACROSS THE LOWER SNAKE RIVER PLAIN, POTENTIALLY EVEN AS
FAR NORTH AS POCATELLO BRIEFLY. WINTER WEATHER ADVISORIES HAVE
BEEN ISSUED FOR THIS AFTERNOON THROUGH THURSDAY FOR THE
BEAVERHEAD-LEMHI HIGHLANDS, UPPER SNAKE RIVER PLAIN, AND THE EAST
AND SOUTHEAST HIGHLANDS, WITH THE EXCEPTION OF THE BEAR LAKE
VALLEY. THE ALBION MOUNTAINS AND BEAR RIVER RANGE WILL SEE THE
MOST ACCUMULATION, WITH UP TO 9 INCHES AND CLOSER TO A FOOT ALONG
THE HIGHEST PEAKS. ELSEWHERE, 3 TO 6 INCHES ARE FORECAST WITH UP
TO 10 INCHES ABOVE PASS LEVEL. FOR AREAS NOT INCLUDED IN AN
ADVISORY, EXPECT 1 TO 3 INCHES OF SNOW THROUGH THURSDAY. WINDS
WILL INCREASE OVERNIGHT INTO THURSDAY AS THE CENTER OF THE LOW
SHIFTS THROUGH SOUTHEAST IDAHO. MODELS SHOW THE STRONGEST WINDS
ACROSS SOUTH-CENTRAL IDAHO, WITH THE GREATEST IMPACTS EXPECTED IN
THE SOUTH HILLS AND ALBION MOUNTAINS. THESE AREAS COULD SEE
BLOWING AND DRIFTING SNOW ABOVE 6,000 FEET ELEVATION CONSIDERING
LITTLE ACCUMULATION IS EXPECTED BELOW THIS ELEVATION. PRECIPITATION
WILL DROP OFF FAIRLY ABRUPTLY THURSDAY AFTERNOON AS THE LOW
SHIFTS FURTHER SOUTH INTO UTAH AND A RIDGE OF HIGH PRESSURE BUILDS
IN BEHIND IT FROM THE NORTHWEST. EXPECT LINGERING SNOW SHOWERS
ACROSS EXTREME SOUTHEAST IDAHO INTO THE OVERNIGHT HOURS HEADING
INTO FRIDAY MORNING, WITH VERY LITTLE ADDITIONAL ACCUMULATION
FORECAST. CROPP
LONG TERM
FRIDAY THROUGH WEDNESDAY. FRIDAY LOOKS DRY EXCEPT FOR
PERHAPS SOME LIGHT PRECIPITATION AROUND ISLAND PARK AND TETONS, AS
WE'LL BE IN BETWEEN SYSTEMS. WITH THE NEXT PUSH OF MOISTURE ON
SATURDAY, AGAIN LIGHT PRECIPITATION IS EXPECTED...A BIT MORE
WIDESPREAD THOUGH ACROSS PORTIONS OF THE CENTRAL MOUNTAINS AND MOST
OF THE EASTERN/SOUTHEAST HIGHLANDS. HEADING INTO THE LAST WEEK OF
FEBRUARY, WE SHOULD AN OVERALL BETTER CHANCE OF PRECIPITATION ALMOST
DAILY ACROSS CENTRAL EASTERN IDAHO. IT'S DEFINITELY TOO EARLY TO
HANG ONTO ANY SNOWFALL AMOUNTS, BUT IT CERTAINLY LOOKS MOIST ENOUGH
TO ADD SOME DECENT SNOWPACK TO OUR MOUNTAINS. IT ALSO LOOKS LIKE
THAT SNOW NEXT WEEK WILL BE WET, EVEN IN THE HIGHER ELEVATIONS...AS
TEMPERATURES SOAR. HIGHS IN LOWER ELEVATIONS MAY PUSH WELL INTO THE
50S ACROSS PORTIONS OF THE SNAKE PLAIN, MAGIC VALLEY AND SOUTH
TOWARD UTAH. KEYES
AVIATION...12Z WEDNESDAY THROUGH 18Z THURSDAY
OVERNIGHT LIGHT
SNOW AT DIJ WILL END LATER THIS MORNING. WE ALSO ARE SEEING LOW
CLOUDS AT IDA, WITH THE EXPECTATION THAT IT WILL SPREAD TO PIH
BEFORE SUNRISE. CONFIDENCE IS AT THE MOMENT ON THIS, BUT WILL LEAVE
THE FORECAST AS IS AT THE MOMENT. AS WE GO THROUGH THE DAY, A BAND
OF MOISTURE WILL MOVE ACROSS EASTERN IDAHO. WE SHOULD SEE MOSTLY
SNOW, ALTHOUGH WE COULD SEE A MIX AT BYI OR PIH AS IT MOVES ACROSS
THE AREA. BEYOND THAT FOR TONIGHT INTO THURSDAY, LOOKS FOR MULTIPLE
BANDS OF SNOW TO IMPACT TAF SITES. ONCE PRECIPITATION SETS IN, LOOKS
FOR IFR/LIFR CONDITIONS...WITH SOME IMPROVEMENT AT TIMES WHEN THINGS
BECOME MORE "SHOWERY" TONIGHT. KEYES
PIH WATCHES/WARNINGS/ADVISORIES
WINTER WEATHER ADVISORY FROM 3 PM THIS AFTERNOON TO 9 AM MST
THURSDAY FOR IDZ053-062>067.
WINTER WEATHER ADVISORY FROM 11 AM THIS MORNING TO 9 AM MST
THURSDAY FOR IDZ056>059.
WINTER WEATHER ADVISORY FROM 3 PM THIS AFTERNOON TO 5 PM MST
THURSDAY FOR IDZ060.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page