315
FXUS65 KPIH 102021
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
121 PM MST MON NOV 10 2025
KEY MESSAGES
- DRY AND WARMER CONDITIONS THROUGH WEDNESDAY
- PRECIPITATION RETURNS AS EARLY AS THURSDAY
- COOL TEMPERATURES RETURN FRIDAY THROUGH THE WEEKEND.
SHORT TERM /THROUGH TUESDAY/
ISSUED AT 120 PM MST MON NOV 10 2025
WV SATELLITE IMAGERY SHOWS A RIDGE OF HIGH PRESSURE ACROSS EAST
IDAHO WITH A SHORTWAVE TO THE NORTH STREAMING THROUGH THE PACNW
ALONG THE CANADIAN BORDER. THIS SHORTWAVE FEATURE FLATTENS THE
RIDGE SLIGHTLY, BRINGING A SLIGHT UPTICK IN WINDS THROUGH EARLY
EVENING. GUSTS OF 15-25 MPH ARE POSSIBLE THROUGH THE SNAKE PLAIN
INTO EARLY EVENING, BUT CONTINUE AT RIDGE TOPS THROUGH TONIGHT.
DAYTIME HIGHS REMAIN MILD UNDER THE HIGH PRESSURE, GENERALLY IN
THE 50S TO LOWER 60S AT LOWER ELEVATIONS.
LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/
ISSUED AT 120 PM MST MON NOV 10 2025
EAST IDAHO BEGINS TO SEE SIGNS OF THE HIGH PRESSURE BREAKING
DOWN BY THURSDAY AS AMPLIFIED SHORTWAVE TROUGH SHIFTS INLAND
ALONG THE PACNW COAST. TEMPERATURES REMAIN WARM AHEAD OF THE
SYSTEM, WITH HIGHS IN THE 50S TO LOWER 60S EVEN INTO THURSDAY
AHEAD OF THE FRONTAL SYSTEM ASSOCIATED WITH THE SHORTWAVE.
ENSEMBLE CLUSTERS SHOW SLIGHTLY DIFFERENT TIMING ON THE SYSTEM
ARRIVAL, WITH PRECIPITATION ONSET OFFSET SLIGHTLY LATER FOR
25-30% OF THE ENSEMBLE MEMBERS. OVERALL, PRECIPITATION BEGINS TO
REACH THE CENTRAL MOUNTAINS AS EARLY AS WEDNESDAY NIGHT, BUT
GENERALLY SPREADS ACROSS THE REGION THURSDAY. SNOW LEVELS START
OUT HIGH BUT DROP TO NEAR VALLEY FLOORS THURSDAY NIGHT, BRINGING
A MIX OF RAIN AND SNOW TO LOWER ELEVATION AREAS. TEMPERATURES
REMAIN COLD INTO FRIDAY, CONTINUING THE THREAT OF RAIN/SNOW MIX
AT LOWER ELEVATIONS DURING THE DAY. AT THIS TIME, THE
PROBABILITIES FOR ANY ACCUMULATIONS MORE THAN A DUSTING THROUGH
THE INTERSTATE CORRIDORS OF THE SNAKE PLAIN IS LESS THAN 10%.
TREND IS FOR PRECIPITATION TO WEAKEN FRIDAY NIGHT INTO EARLY
SATURDAY, AS A WEAK TRANSITORY RIDGE SHIFTS THROUGH THE STATE,
THOUGH SHOWERS CONTINUE MAINLY OVER HIGHER ELEVATIONS THROUGH
THE WEEKEND. ANOTHER WEAK SYSTEM IS PROJECTED TO ARRIVE LATE
SUNDAY INTO MONDAY FOR ANOTHER ROUND OF PRECIPITATION.
TEMPERATURES REMAIN COOL WITH DAYTIME HIGHS ONLY IN THE 40S, SO
POTENTIAL EXISTS FOR A RAIN/SNOW MIX CONTINUING AT LOWER
ELEVATIONS INTO EARLY NEXT WEEK.
AVIATION /18Z TAFS THROUGH 18Z TUESDAY/
ISSUED AT 1021 AM MST MON NOV 10 2025
RIDGE OF HIGH PRESSURE KEEPS EAST IDAHO TERMINALS DRY WITH VFR HIGH
CLOUDS IN PLACE THROUGH THE FORECAST PERIOD. OTHER THAN A SLIGHT
UPTICK IN WINDS TO 10-12KTS AT PIH AND IDA THIS AFTERNOON, WINDS
REMAIN LIGHT AND VARIABLE.
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
SHORT TERM...DMH
LONG TERM...DMH
AVIATION...DMH
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