013
FNUS76 KPDT 300737
FWSPDT
SPOT FORECAST FOR TROUT CREEK RX FIRE...WASHINGTON DNR
NATIONAL WEATHER SERVICE PENDLETON OR
1237 AM PDT THU APR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0630 PDT ON APRIL 30.
***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 TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.
CATEGORIES ARE A GENERALIZED INDICATOR ONLY:
LOW (< 200), MODERATE (200-500), HIGH (500-700),
AND VERY HIGH (> 700). ***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
DRY AND INCREASINGLY WARM WEATHER IS EXPECTED
THROUGH FRIDAY. WINDS WILL GENERALLY BE 10 MPH OR LESS.
MIN RH VALUES WILL GENERALLY BE AROUND 25 TO 30 PERCENT WITH
MODERATE OVERNIGHT RECOVERIES.
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING MOSTLY
SUNNY (40-50 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING EAST 5 TO 7 MPH
LATE IN THE MORNING.
RIDGETOP WIND.......EAST WINDS 10 TO 15 MPH IN THE MORNING, THEN
DECREASING TO 5 TO 10 MPH IN THE LATE AFTERNOON.
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 9 MPH SHIFTING TO THE EAST 9 TO
10 MPH LATE IN THE MORNING.
VENTILATION INDEX...LOW (140) INCREASING TO HIGH (570) IN THE
AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 44 49 55 60 64 67 70 71 72 72 71
RH..............66 65 65 57 50 41 37 35 32 31 31 30
20 FT WIND DIR..NE NE NE NE NE E E E E E E E
20 FT WIND SPD..5 5 4 4 4 6 6 6 6 6 6 5
20 FT WIND GUST.10 10 10 10 10 10 10 10 10 10 10 10
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....45-48.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH 5 TO 7 MPH
LATE IN THE EVENING BECOMING LIGHT.
RIDGETOP WIND.......SOUTHEAST WIND 5 TO 10 MPH BECOMING SOUTH BY MORNING.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 9 MPH.
VENTILATION INDEX...LOW (170) DECREASING TO LOW (60) OVERNIGHT.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MAX TEMPERATURE.....76-79.
MIN HUMIDITY........23-28 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH LATE IN
THE AFTERNOON.
RIDGETOP WIND.......SOUTH WINDS 5 TO 10 MPH.
MIXING HEIGHT.......5800 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTH 5 TO 8 MPH
LATE IN THE MORNING.
VENTILATION INDEX...LOW (50) INCREASING TO MODERATE (360) IN THE
AFTERNOON.
FORECASTER...NIERENBERG
REQUESTED BY...ADAM LIEBERG
TYPE OF REQUEST...PRESCRIBED
.TAG 2611777.5/PDT
.DELDT 04/30/26
.FORMATTERVERSION 2.0.0
.EMAIL ALIEBERG@COLUMBIALANDTRUST.ORG
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