412
FXUS65 KPIH 222035
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
235 PM MDT WED APR 22 2026
KEY MESSAGES
- WINTER WEATHER ADVISORIES ARE IN EFFECT FOR PORTIONS OF THE
CENTRAL IDAHO MOUNTAINS AND FOR PORTIONS OF THE SOUTHEAST AND
EAST HIGHLANDS.
- WIND ADVISORIES ARE IN EFFECT FOR PORTIONS OF THE SNAKE RIVER
PLAIN AND EASTERN MAGIC VALLEY THROUGH MIDNIGHT.
- COOLER CONDITIONS WITH BELOW NORMAL TEMPERATURES CONTINUE
THROUGH SATURDAY.
- SHOWERS AND HIGH ELEVATION SNOW SHOWERS CONTINUE INTO FRIDAY
FOR MOST.
DISCUSSION
ISSUED AT 135 PM MDT WED APR 22 2026
STRONG COLD FRONT HAS PUSHED WELL EAST OF IDAHO WITH UPPER LOW
SLIDING INTO MONTANA OVERNIGHT. A COLD NORTHWESTERLY FLOW
CONTINUES OVER EASTERN IDAHO THROUGH FRIDAY WITH WELL BELOW
NORMAL TEMPERATURES CONTINUING. IN THE SHORT TERM WRAP AROUND
MOISTURE AS THE LOW PUSHES EAST WILL KEEP THE HIGH ELEVATION
SNOW AND LOW ELEVATION RAIN SHOWERS CONTINUING. THE CENTRAL
MOUNTAIN HIGH ELEVATION WINTER WEATHER ADVISORY CONTINUES
THROUGH 6 AM AND THE EASTERN MOUNTAIN ADVISORY CONTINUES THROUGH
MIDNIGHT THURSDAY NIGHT. THE WIND ADVISORY CONTINUES THROUGH
MIDNIGHT IN THE SNAKE RIVER PLAIN AND PARTS OF EASTERN MAGIC
VALLEY. WIND GUSTS OVER 50 MPH HAVE BEEN COMMON IN THE MUD LAKE
AND ARCO DESERT REGION WITH 40 TO 50 MPH IN THE SNAKE RIVER
PLAIN COMMON THIS AFTERNOON. PRECIPITATION WINDS DOWN IN THE
EAST FRIDAY NIGHT. AS FAR AS FREEZE POTENTIAL, FRIDAY NIGHT
LOOKS LIKE A VERY GOOD PROBABILITY OF A HARD FREEZE. THURSDAY
NIGHT MUCH MORE IN QUESTION WITH SIGNIFICANTLY MORE CLOUD COVER
EXPECTED. BUT EXPECT FREEZE WARNINGS TO BE THE NEXT IMPACT AFTER
THE WINDS AND HIGH ELEVATION SNOW SUBSIDE.
SATURDAY LOOKS TO BE THE DRIEST DAY IN THE LONG TERM PERIOD WITH
THE CHANCE OF OR LIKELY SHOWERS RETURNING SUNDAY THE WETTEST
LONG TERM DAY WITH ONLY A CHANCE OR SLIGHT CHANCE THEN MONDAY
THROUGH WEDNESDAY. WILL SEE A GRADUAL WARMING TREND MONDAY
THROUGH WEDNESDAY WITH BELOW NORMAL TEMPERATURES THROUGH SUNDAY
THEN RIGHT AROUND NORMAL MONDAY TO SLIGHTLY ABOVE BY WEDNESDAY.
HIGH TEMPERATURES GENERALLY 30S AND 40S MOUNTAINS THURSDAY AND
FRIDAY AND 40S TO LOWER 50S VALLEYS. BY NEXT WEEK HIGHS IN THE
50S AND 60S VALLEYS AND 40S AND 50S MOUNTAINS.
AVIATION /18Z TAFS THROUGH 18Z THURSDAY/
ISSUED AT 1228 PM MDT WED APR 22 2026
CLOUDY, SHOWERY CONDITIONS IN PLACE ACROSS EASTERN IDAHO
TERMINALS THIS AFTERNOON. TEMPERATURES HAVE BEEN COLD ENOUGH TO
SUPPORT SNOW AT KSUN AND KDIJ AT TIMES WITH THE VALLEY
TERMINALS JUST SEEING A COLD RAIN, WITH VERY GUSTY WINDS. WINDS
WILL CONTINUE IN THE 25-30 KT AT KBYI, KIDA, AND KPIH WITH GUSTS
UPWARDS OF 40 KTS POSSIBLE AT TIMES. NOT QUITE AS STRONG AT
KSUN OR KDIJ BUT STILL BREEZY. PRECIP WILL BECOME MORE SHOWERY
OVER THE NEXT FEW HOURS, HIT-OR MISS IN NATURE, BEFORE ANOTHER
MORE PRONOUNCED PUSH OF MOISTURE MOVES INTO EASTERN IDAHO
DURING THE OVERNIGHT HOURS. IT WILL LIKELY BE COLD ENOUGH AT
THIS TIME TO SUPPORT AT LEAST RASN IN THE VALLEY TERMINALS IF
NOT ALL SNOW. EXPECT PREDOMINANT MVFR CIGS THROUGH THE PERIOD
BUT CERTAINLY EXPECTING SOME MOMENTS OF LOW-END VFR WITH ANY
BRIEF CLEARING OR EVEN IFR WITH SHOWERS. IN SHORT, EXPECTING
MESSY AND HARD TO FORECAST AVIATION CONDITIONS OVER THE NEXT 24
HOURS.
PIH WATCHES/WARNINGS/ADVISORIES
WIND ADVISORY UNTIL MIDNIGHT MDT TONIGHT FOR IDZ051>054.
WINTER WEATHER ADVISORY UNTIL MIDNIGHT MDT THURSDAY NIGHT FOR
IDZ060-063-064-066.
WINTER WEATHER ADVISORY UNTIL 6 AM MDT THURSDAY FOR IDZ069-
071>074.
DISCUSSION...GK
AVIATION...MCKAUGHAN
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