091
FNUS76 KPDT 220209
FWSPDT
SPOT FORECAST FOR SR 14 CMD...BCFD#6
NATIONAL WEATHER SERVICE PENDLETON OR
709 PM PDT THU MAY 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 PDT ON MAY 21.
***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 WEATHER IS EXPECTED THROUGH SATURDAY. WINDS WILL
BE LESS THAN 10 MPH THROUGH SATURDAY, THEN INCREASE TO 10 TO 15 MPH ON
SATURDAY.
MIN RH VALUES WILL BE AROUND 15 TO 20 PERCENT FRIDAY AND 20 TO 25
PERCENT SATURDAY, WITH MODERATE RECOVERIES TONIGHT AND GOOD TO EXCELLENT
RECOVERIES FRIDAY NIGHT.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING
MOSTLY CLEAR (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....50-53.
MAX HUMIDITY........47-52 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH BECOMING LIGHT.
MIXING HEIGHT.......500 FT AGL IN THE EVENING.
TRANSPORT WINDS.....NORTHEAST 5 TO 9 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
VENTILATION INDEX...MODERATE (240) DECREASING TO LOW (30)
OVERNIGHT.
TIME (PDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............78 74 67 63 61 59 57 54 53 52 50 52
RH..............21 25 29 33 34 36 37 40 43 48 52 53
20 FT WIND DIR..E E NE NE N N N N N NE N N
20 FT WIND SPD..5 5 5 5 5 4 4 4 4 4 4 4
20 FT WIND GUST.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....84-87.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......7900 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE NORTHWEST
AROUND 6 MPH LATE IN THE AFTERNOON SHIFTING TO
THE SOUTHWEST AROUND 5 MPH LATE IN THE
AFTERNOON.
VENTILATION INDEX...LOW (30) INCREASING TO LOW (40) IN THE
AFTERNOON.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....53-56.
MAX HUMIDITY........70-75 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH SHIFTING TO THE
SOUTHWEST EARLY IN THE EVENING.
MIXING HEIGHT.......500 FT AGL IN THE EVENING.
TRANSPORT WINDS.....WEST 5 TO 8 MPH.
VENTILATION INDEX...LOW (150) DECREASING TO LOW (30) OVERNIGHT.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....86-89.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 15 MPH.
MIXING HEIGHT.......6400 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH INCREASING TO 16 TO 17
MPH LATE IN THE AFTERNOON.
VENTILATION INDEX...LOW (50) INCREASING TO HIGH (660) IN THE
AFTERNOON.
FORECASTER...NIERENBERG
REQUESTED BY...CH161
TYPE OF REQUEST...WILDFIRE
.TAG 2614271.0/PDT
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL M.SAGE@BCES.WA.GOV
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