025
FNUS76 KPDT 131403
FWSPDT
SPOT FORECAST FOR NORTH WENAS RX...WA DNR
NATIONAL WEATHER SERVICE PENDLETON OR
703 AM PDT MON OCT 13 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON OCTOBER 13.
***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
WA 3 RAWS SHOWS 100% RH THIS MORNING. A SLOW MOVING
OFFSHORE SYSTEM CONTINUES BRINGING LIGHT RAIN AND SNOW SHOWERS
THIS MORNING BEFORE TAPERING OFF AFTER 1100. PARTLY CLOUDY SKIES
BY LATE MORNING WILL BECOME MORE MOSTLY SUNNY THROUGH THE
AFTERNOON AS HIGHS STAY IN THE MID-40S. BREEZY WINDS WILL
ACCOMPANY CLEARING SKIES LATE THIS MORNING THROUGH THE AFTERNOON.
A WEAK INVERSION SETS UP BETWEEN 1900-2000 AND LINGERS UNTIL
BETWEEN 0900-1000 TUESDAY. LOW TEMPERATURES NEAR FREEZING TUESDAY
WITH GOOD OVERNIGHT RECOVERIES, HIGHS PEAK IN THE LOW-50S.
REST OF TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING MOSTLY
SUNNY (40-50 PERCENT) AFTER 1400. SNOW SHOWERS
WITH RAIN SHOWERS LIKELY (55-75 PERCENT) BEFORE
1100. SLIGHT CHANCE (15-20 PERCENT) OF RAIN AND
SNOW SHOWERS BETWEEN 1100 AND 1400.
CWR.................67 PERCENT DECREASING TO 1 PERCENT LATE IN THE
MORNING.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....43-47.
MIN HUMIDITY........48-55 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20
MPH, PEAKING BETWEEN 1100 AND 1500.
RIDGETOP WIND.......NORTHEAST WINDS 6 TO 12 MPH WITH GUSTS UP TO 22
MPH, PEAKING BETWEEN 1100 AND 1500.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 17 TO 20 MPH DECREASING TO AROUND 9
MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...POOR (150) INCREASING TO FAIR (310) 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............34 37 37 41 43 42
RH..............81 73 72 65 58 56
20 FT WIND......NE 5 NE 6 NE 8 NE 8 NE 8 NE 7
20 FT WIND GUST.8 10 12 13 12 10
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....32-36.
MAX HUMIDITY........62-70 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO
20 MPH BECOMING NORTH 2 TO 6 MPH AFTER 2000.
RIDGETOP WIND.......NORTHEAST WINDS 6 TO 12 MPH WITH GUSTS UP TO
22 MPH BECOMING NORTH 3 TO 7 MPH AFTER 2000.
MIXING HEIGHT.......600 FT AGL EARLY IN THE EVENING.
TRANSPORT WINDS.....NORTHEAST 8 TO 10 MPH SHIFTING TO THE NORTH
AROUND 8 MPH EARLY IN THE MORNING.
VENTILATION INDEX...POOR (30).
TUESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....51-54.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........EAST SOUTHEAST WINDS 2 TO 6 MPH.
RIDGETOP WIND.......EAST SOUTHEAST WINDS 3 TO 7 MPH.
MIXING HEIGHT.......2300 FT AGL LATE IN THE MORNING.
TRANSPORT WINDS.....NORTH 6 TO 8 MPH SHIFTING TO THE NORTHEAST LATE
IN THE MORNING.
VENTILATION INDEX...POOR (30) INCREASING TO POOR (130) IN THE
AFTERNOON.
FORECASTER...CALLIHAN
REQUESTED BY...JASON HOERNER
TYPE OF REQUEST...PRESCRIBED
.TAG 2523426.2/PDT
.DELDT 10/13/25
.FORMATTERVERSION 2.0.0
.EMAIL WALTER.ESCOBAR@DNR.WA.GOV,CHRIS.BRANDON@DNR.WA.GOV,JTHOER.85MX@GMAIL.COM
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