003
FNUS76 KPDT 201321
FWSPDT
SPOT FORECAST FOR HURLEY PILES...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
521 AM PST THU NOV 20 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 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
A LOW PRESSURE SYSTEM SKIRTING THE REGION WILL
BRING LIGHT PRECIPITATION THIS MORNING, BUT CHANCES DIMINISH
BY THIS AFTERNOON. NEXT CHANCES OF LIGHT RAIN/SNOW WILL DEVELOP
FRIDAY EVENING INTO SATURDAY, HOWEVER CHANCES OF WETTING PRECIP
WILL BE NEAR ZERO. RHS WILL GENERALLY REMAIN ABOVE 70% INTO THE
WEEKEND. WINDS WILL BE LESS THAN 10MPH, WITH PREVAILING SOUTHWEST
WINDS DEVELOPING LATE TONIGHT. VENTILATION WILL REMAIN POOR
AROUND THE FIRE AREA AS MIXING HEIGHTS STAY BELOW 2KFT AGL AND
WINDS ALOFT REMAIN WEAK.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....41-44.
MIN HUMIDITY........71-76 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RIDGETOP WIND.......WEST WINDS 3 TO 6 MPH.
MIXING HEIGHT.......1700 FT AGL IN THE LATE MORNING AND EARLY
AFTERNOON.
TRANSPORT WINDS.....WEST 6 TO 7 MPH.
VENTILATION INDEX...POOR (30-90).
TIME (PST) 10 AM NOON 2 PM 4 PM 6 MIN PM 8 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............36 39 40 37 32 31
RH..............86 77 76 87 89 90
20 FT WIND......NW 4 NW 4 NW 4 S 4 S 4 S 4
20 FT WIND GUST.6 6 6 6 6 5
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........85-90 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 3 TO 6 MPH
AROUND 11PM.
RIDGETOP WIND.......WEST WINDS 4 TO 7 MPH.
MIXING HEIGHT.......NEAR SURFACE.
TRANSPORT WINDS.....WEST 6 TO 7 MPH.
VENTILATION INDEX...POOR (30).
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF
SNOW LATE IN THE MORNING. SLIGHT CHANCE OF RAIN
EARLY IN THE AFTERNOON, THEN CHANCE OF RAIN
LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....42-45.
MIN HUMIDITY........66-71 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 4 TO 7 MPH.
RIDGETOP WIND.......WEST WINDS 4 TO 7 MPH.
MIXING HEIGHT.......1100 FT AGL IN THE LATE MORNING AND EARLY
AFTERNOON.
TRANSPORT WINDS.....WEST 6 TO 7 MPH.
VENTILATION INDEX...POOR (30-50).
FORECASTER...LAWHORN
REQUESTED BY...KBASS
TYPE OF REQUEST...PRESCRIBED
.TAG 2526296.0/PDT
.DELDT 11/20/25
.FORMATTERVERSION 2.0.0
.EMAIL KENTON.BASS@USDA.GOV
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