331
FXUS65 KPIH 021754
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
1054 AM MST MON MAR 2 2026
KEY MESSAGES
- RAIN AND VERY HIGH ELEVATION SNOW SHOWERS TODAY.
- ABOVE AVERAGE TEMPERATURES THROUGH MID-WEEK.
- NEXT SYSTEM ARRIVES MID-WEEK WITH UNSETTLED CONDITIONS FOR
THE REMAINDER OF THE WEEK.
DISCUSSION
ISSUED AT 131 AM MST MON MAR 2 2026
UPPER TROUGH WILL WORK THROUGH THE REGION TODAY, BRINGING WIDESPREAD
LIGHT TO MODERATE RAIN AND LIGHT SNOW ABOVE 7,000 FEET. THE HREF
PRECIPITATION FORECAST FAVORS THE EXTREME SOUTHEAST CORNER OF IDAHO,
INCLUDING THE CITIES OF DAYTON AND MONTPELIER AND FURTHER SOUTH AND
EAST INTO UT AND WY, WHERE QPF RANGES HALF AN INCH TO 0.75" OVER 24
HOURS. UP TO 4 INCHES OF SNOW ACCUMULATION ARE FORECAST ABOVE 7,000
FEET WITH 2 TO 3 INCHES FORECAST FOR GALENA SUMMIT, BANNER SUMMIT,
AND EMIGRATION PASS. MINOR TRAVEL IMPACTS ARE EXPECTED ALONG OTHER
MOUNTAIN PASSES, WHERE LITTLE SNOW ACCUMULATION IS EXPECTED. DAYTIME
TEMPERATURES WILL RUN SEVERAL DEGREES ABOVE NORMAL WITH MANY LOW
ELEVATION AREAS WARMING INTO THE UPPER 40S TO LOW 50S. BEHIND THE
DEPARTING TROUGH, A TRANSITORY RIDGE WILL SHIFT THROUGH ON TUESDAY,
ALLOWING DAYTIME TEMPERATURES TO WARM BY SEVERAL DEGREES. CLOUDS
WILL INCREASE AGAIN BEGINNING EARLY WEDNESDAY AS THE NEXT TROUGH
MOVES ONSHORE AND SHIFTS THROUGH THE GREAT BASIN MID- TO LATE WEEK.
THE CURRENT FORECAST MAINTAINS SLIGHTLY COOLER TEMPERATURES, CLOSER
TO SEASONAL NORMS, FOR THE SECOND HALF OF THE WEEK. SNOW WILL
ACCUMULATE ABOVE 5,000 FEET, GENERALLY 2" TO 6" WITH CLOSER TO 8"
ALONG THE HIGHEST ELEVATIONS. SLIGHT CHANGES TO THE TEMPERATURE AND
SNOW LEVEL FORECASTS COULD MEAN LIGHT SNOW REACHING VALLEY FLOORS
DURING THE OVERNIGHT HOURS. ENSEMBLE SOLUTIONS BEGIN TO DIVERGE
HEADING INTO THE WEEKEND, WITH THE NATIONAL BLEND FORECAST FAVORING
STRENGTHENING HIGH PRESSURE OVERHEAD AND THUS A WARMING TREND
THROUGH LATE WEEKEND.
AVIATION /18Z TAFS THROUGH 18Z TUESDAY/
ISSUED AT 1054 AM MST MON MAR 2 2026
SHOWERS CONTINUE ACROSS EASTERN IDAHO ESPECIALLY CLOSER TO I-15
AND POINTS EAST. WE ARE SEEING A MIX OF MVFR/IFR CONDITIONS DUE
TO SHOWERS AND EVEN POCKETS OF FOG WHERE PRECIPITATION HAS ENDED
OR SUBSTANTIALLY DROPPED OFF THIS AFTERNOON. THE STORM
RESPONSIBLE FOR ALL OF THIS WILL BE OFF TO OUR EAST IN THE NEXT
24 HOURS. ONCE WE SEE AN END TO ANY RISK OF SHOWERS, WE ARE
LOOKING AT THE POTENTIAL FOR MVFR/IFR WEATHER TO DUE TO LOW
CEILINGS AND/OR POCKETS OF FOG TONIGHT AND TOMORROW MORNING. WE
HAVE INCLUDED THAT IN ALL TAFS EXCEPT FOR SUN, WHICH SHOULD
EVENTUALLY GO VFR AND STAY THERE.
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION...CROPP
AVIATION...KEYES
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