456
FNUS76 KPDT 201245
FWSPDT
SPOT FORECAST FOR TANEUM PILES...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
445 AM PST THU NOV 20 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON NOVEMBER 20.
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***VENTILATION INDEX IS DERIVED FROM THE
TRANSPORT WIND MULTIPLIED BY THE MIXING
HEIGHT IN 100'S OF FEET. INDEX CATEGORIES
ARE A GENERALIZED INDICATOR ONLY.***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
ANY LINGERING SHOWERS OVER THE CASCADES WILL END BY
THE LATE MORNING TODAY AS A WEATHER SYSTEM PASSES TO OUR SOUTH,
CAUSING WINDS TO SHIFT MORE NORTH AND WEST OVER THE COMING DAYS.
MOST OF TODAY IS EXPECTED TO BE DRY, WITH THE NEXT CHANCE OF
PRECIPITATION OCCURRING AROUND FRIDAY AFTERNOON. INTERMITTENT
SHOWER CHANCES WILL PREVAIL THROUGH THE WEEKEND, HOWEVER
IMPACTFUL, WETTING PRECIP IS NOT ANTICIPATED TO OCCUR UNTIL EARLY
NEXT WEEK AT THE EARLIEST.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CWR.................3 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 40.
MIN HUMIDITY........73-78 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 8 MPH
BY THE AFTERNOON.
RIDGETOP WIND.......SOUTHEAST WINDS AROUND 5 MPH EARLY, BECOMING
NORTHWEST AT 6 TO 12 MPH BY THE AFTERNOON.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH EARLY, BECOMING
NORTHWEST AROUND 8 MPH BY THE AFTERNOON.
VENTILATION INDEX...POOR (30-60).
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 34 35 37 37 37 37 35 34 33 31 31
RH..............92 88 85 84 78 80 82 89 91 92 89 87
20 FT WIND DIR..W NW NW NW NW NW NW W W W W W
20 FT WIND SPD..4 4 4 4 4 4 4 4 4 4 4 4
20 FT WIND GUST.6 6 6 6 6 6 6 6 6 6 7 7
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....29-32.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........WEST-NORTHWEST WINDS AROUND 5 MPH.
RIDGETOP WIND.......WEST-NORTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......NEAR-SURFACE.
TRANSPORT WINDS.....WEST-NORTHWEST AROUND 8 MPH.
VENTILATION INDEX...POOR (30).
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF
RAIN LATE IN THE AFTERNOON (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....41-44.
MIN HUMIDITY........67-72 PERCENT.
WIND (20 FT)........WEST-NORTHWEST WINDS 5 TO 8 MPH.
RIDGETOP WIND.......WEST-NORTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST-NORTHWEST AROUND 8 MPH.
VENTILATION INDEX...POOR (30).
FORECASTER...EVANS
REQUESTED BY...KBASS
TYPE OF REQUEST...PRESCRIBED
.TAG 2526313.0/PDT
.DELDT 11/20/25
.FORMATTERVERSION 2.0.0
.EMAIL KENTON.BASS@USDA.GOV
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