815
FNUS76 KPDT 170342
FWSPDT
SPOT FORECAST FOR PILOT...BLM
NATIONAL WEATHER SERVICE PENDLETON OR
842 PM PDT THU JUL 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 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 STRENGTHENS TONIGHT, DROPPING WINDS
AND KEEPING SKIES CLEAR THROUGH FRIDAY. INVERSION BREAKS AROUND
0800, LEADING TO A WARMER AND DRIER DAY AS THIS TREND CONTINUES
INTO SATURDAY. LIGHT MORNING WINDS WILL INCREASE AND SHIFT FROM
SOUTHWEST TO NORTHWEST EARLY IN THE AFTERNOON.
REST OF TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........56-61 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 13 MPH BECOMING LIGHT
AND OUT OF THE WEST AFTER MIDNIGHT.
RIDGETOP WIND.......NORTHWEST WINDS 7 TO 14 MPH BECOMING LIGHT
AND OUT OF THE WEST AFTER MIDNIGHT.
MIXING HEIGHT.......500 FT AGL EARLY IN THE EVENING.
TRANSPORT WINDS.....NORTHWEST 6 TO 15 MPH EARLY IN THE EVENING
BECOMING LIGHT.
VENTILATION INDEX...MODERATE (390) DECREASING TO LOW (30)
OVERNIGHT.
TIME (PDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............77 70 67 64 61 59 56 53 52 50 49 52
RH..............34 37 40 42 45 49 52 55 58 61 62 58
20 FT WIND DIR..N N N NW NW W W W W W N N
20 FT WIND SPD..13 10 9 6 4 3 5 4 3 2 2 2
20 FT WIND GUST.19 18 14 11 10 7 6 5
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........LIGHT NORTH WINDS BECOMING SOUTHWEST 4 TO 8 MPH
AROUND 1000, THEN SHIFTING TO THE NORTHWEST
10 TO 15 MPH WITH GUSTS UP TO 20 MPH AFTER
1500.
RIDGETOP WIND.......LIGHT NORTH WINDS BECOMING SOUTHWEST 5 TO 10
MPH AROUND 1000, THEN SHIFTING TO THE NORTHWEST
12 TO 17 MPH WITH GUSTS UP TO 23 MPH AFTER
1500.
MIXING HEIGHT.......7800 FT AGL EARLY IN THE MORNING.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST 9 TO 13 MPH LATE
IN THE MORNING, THEN SHIFTING TO THE NORTHWEST
LATE IN THE AFTERNOON.
VENTILATION INDEX...LOW (30) INCREASING TO HIGH (570) IN THE
AFTERNOON.
FORECASTER...CALLIHAN
REQUESTED BY...SAAM
TYPE OF REQUEST...WILDFIRE
.TAG 2617529.0/PDT
.DELDT 07/16/26
.FORMATTERVERSION 2.0.0
.EMAIL ORCOC@FIRENET.GOV
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