408
FNUS76 KPDT 081030
FWSPDT
SPOT FORECAST FOR NORTH WENAS RX...WA DNR
NATIONAL WEATHER SERVICE PENDLETON OR
330 AM PDT WED OCT 8 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON OCTOBER 08.
***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
WINDS WILL BE DIURNALLY AND TERRAIN-DRIVEN, AND
MOSTLY LIGHT, ALBEIT WITH PERIODIC AFTERNOON GUSTS THROUGH THE
FORECAST PERIOD. MODERATE RH RECOVERY IS FORECAST WEDNESDAY NIGHT.
WHILE MOST SHOWER ACTIVITY IS ANTICIPATED TO REMAIN WEST OF THE BURN
SITE, AN APPROACHING LOW-PRESSURE SYSTEM WILL INDUCE A CHANCE
(45 PERCENT) OF RAIN SHOWERS WEDNESDAY NIGHT, FOLLOWED BY A SLIGHT
CHANCE (19 PERCENT) THURSDAY AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (5-25 PERCENT) IN THE MORNING,
BECOMING PARTLY CLOUDY (45-55 PERCENT) IN THE
AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....62-65.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........DRAINAGE WINDS 1-3 MPH EARLY MORNING, BECOMING
UPSLOPE THEN UPVALLEY 2-5 MPH BY MID-MORNING.
PERIODIC GUSTS UP TO 10 MPH.
RIDGETOP WIND.......DRAINAGE WINDS 1-3 MPH EARLY MORNING, BECOMING
UPSLOPE THEN UPVALLEY 2-5 MPH BY MID-MORNING.
PERIODIC GUSTS UP TO 10 MPH.
MIXING HEIGHT.......INCREASING TO 4800-5300 FT AGL BY LATE MORNING.
TRANSPORT WINDS.....NORTHWEST 4-6 MPH SHIFTING TO THE SOUTH 5-9 MPH
BY LATE MORNING.
VENTILATION INDEX...POOR (30) INCREASING TO FAIR (350) IN THE
AFTERNOON.
TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
CHC OF LTNG (%).0 0 0 0 0 0
TEMP............45 50 57 62 62 61
RH..............65 51 45 39 36 36
20 FT WIND......W 3 SW 3 SE 4 SE 4 SE 5 SE 4
20 FT WIND GUST. 6 6 8 7
TONIGHT
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY (50-90 PERCENT).
SLIGHT CHANCE (15 PERCENT) OF RAIN SHOWERS LATE
EVENING THEN CHANCE (45 PERCENT) OF RAIN SHOWERS
OVERNIGHT.
CWR.................14 PERCENT.
CHANCE OF LIGHTNING.2 PERCENT.
MIN TEMPERATURE.....46-49.
MAX HUMIDITY........56-61 PERCENT.
WIND (20 FT)........DRAINAGE WINDS 1-4 MPH.
RIDGETOP WIND.......DRAINAGE WINDS 1-4 MPH.
MIXING HEIGHT.......DECREASING TO NEAR SURFACE OVERNIGHT.
TRANSPORT WINDS.....BECOMING WEST TO NORTHWEST 4-6 MPH OVERNIGHT.
VENTILATION INDEX...POOR (30).
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-75 PERCENT) BECOMING
PARTLY CLOUDY (40-55 PERCENT). CHANCE (36 PERCENT)
OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT CHANCE
(19 PERCENT) OF RAIN SHOWERS LATE IN THE AFTERNOON.
CWR.................2 PERCENT.
CHANCE OF LIGHTNING.2 PERCENT.
MAX TEMPERATURE.....63-66.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........DRAINAGE WINDS 1-4 MPH EARLY MORNING, BECOMING
UPSLOPE THEN UPVALLEY 2-5 MPH BY MID-MORNING.
RIDGETOP WIND.......DRAINAGE WINDS 1-4 MPH EARLY MORNING, BECOMING
UPSLOPE THEN UPVALLEY 2-5 MPH BY MID-MORNING.
MIXING HEIGHT.......INCREASING TO 3100-3600 FT AGL BY LATE MORNING.
TRANSPORT WINDS.....WEST 4-6 MPH SHIFTING TO THE SOUTHEAST 6-10 MPH
LATE MORNING.
VENTILATION INDEX...POOR (30) INCREASING TO FAIR (260) IN THE
AFTERNOON.
FORECASTER...PLUNKETT
REQUESTED BY...JASON HOERNER
TYPE OF REQUEST...PRESCRIBED
.TAG 2523148.0/PDT
.DELDT 10/08/25
.FORMATTERVERSION 2.0.0
.EMAIL JTHOER.85MX@GMAIL.COM
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