823
FNUS76 KPDT 170119
FWSPDT
SPOT FORECAST FOR AKAWA BUTTE...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
619 PM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON JULY 16.
***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
HIGH PRESSURE BUILDS INTO THE AREA, KEEPING SKIES
CLEAR AS A SLIGHT WARMING AND DRYING TREND INITIATES THROUGH
SATURDAY. WINDS WILL DECREASE APPROACHING MIDNIGHT AFTER A SLIGHT
UPTICK BEFORE 2000. INVERSION DEVELOP TONIGHT AROUND 2100 AT 4000
FEET AND BREAKS BETWEEN 0700 AND 0800 FRIDAY. DIURNAL WIND SHIFTS
BECOMING NORTHWEST THROUGH THE AFTERNOON BOTH DAYS.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........64-69 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH BECOMING 4 TO 8 MPH AFTER 2300.
RIDGETOP WIND.......WEST WINDS 12 TO 18 MPH WITH GUSTS TO AROUND 28
MPH BECOMING 5 TO 10 MPH AFTER 2300
MIXING HEIGHT.......500 FT AGL IN THE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH BECOMING LIGHT.
VENTILATION INDEX...MODERATE (250) DECREASING TO LOW (30)
OVERNIGHT.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 73 69 66 63 60 58 56 54 51 50 49
RH..............35 37 38 42 47 53 57 61 63 66 67 69
20 FT WIND DIR..W W W W W W W W W W W SW
20 FT WIND SPD..12 13 14 14 11 7 7 6 6 7 6 4
20 FT WIND GUST.22 23 26 25 20 15 15 12 11 12 11
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....83-86.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
BY 1100, THEN SHIFTING TO THE NORTHWEST
5 TO 10 MPH IN THE AFTERNOON. WINDS PEAK
BETWEEN 1700-2000.
RIDGETOP WIND.......LIGHT WINDS BECOMING NORTHEAST 4 TO 8 MPH
BY 1100, THEN SHIFTING TO THE NORTHWEST 6 TO
12 MPH IN THE AFTERNOON. WINDS PEAK BETWEEN
1700-2000.
MIXING HEIGHT.......6200 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 7 TO 12 MPH LATE IN
THE MORNING.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (400) IN THE
AFTERNOON.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....51-54.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING
LIGHT AFTER MIDNIGHT.
RIDGETOP WIND.......WEST WINDS 6 TO 12 MPH IN THE EVENING BECOMING
LIGHT AFTER MIDNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 12 MPH SHIFTING TO THE NORTHWEST
AROUND 5 MPH LATE IN THE EVENING, THEN SHIFTING
TO THE WEST OVERNIGHT.
VENTILATION INDEX...MODERATE (230) DECREASING TO LOW (30)
OVERNIGHT.
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....85-88.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 4 TO 8 MPH BY 1100
THEN SHIFTING TO THE NORTHWEST 5 TO 10 MPH
AROUND 1500 AND PEAK BETWEEN 1600-1800.
RIDGETOP WIND.......LIGHT WINDS BECOMING NORTH 5 TO 10 MPH BY 1100
THEN SHIFTING TO THE NORTHWEST 6 TO 12 MPH
AROUND 1500 AND PEAK BETWEEN 1600-1800.
MIXING HEIGHT.......7300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH EARLY IN THE MORNING BECOMING
LIGHT, THEN BECOMING WEST 7 TO 14 MPH LATE IN
THE MORNING.
VENTILATION INDEX...LOW (30) INCREASING TO MODERATE (430) IN THE
AFTERNOON.
FORECASTER...CALLIHAN
REQUESTED BY...CODY CONLEY
TYPE OF REQUEST...WILDFIRE
.TAG 2617519.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL TUCKER.WETZEL@USDA.GOV,CODY.CONLEY@USDA.GOV,CODY.CONLEY@USDA.GOV
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