146
FNUS76 KPDT 020751
FWSPDT

Spot Forecast for Klickitat Oaks Rx Fire...Washington DNR
National Weather Service Pendleton OR
1251 AM PDT Fri Oct 2 2026

Forecast is based on ignition time of 0612 PDT on October 02.
***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...

.TODAY...

Light terrain driven winds early this morning will increase 5-10
mph out of the west after 1 pm This Afternoon. Minimum relative
humidity is expected to drop to around 35%. Dry with no chances for
thunderstorms.

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....76-79.
Min humidity........34-39 percent.
Wind (20 ft)........Light southwest wind around 5 mph
                    early in the morning, then becoming
                    south 5 to 8 mph late in the morning
                    shifting to the west 5 to 11
                    mph by 1 PM.
Ridgetop wind.......Light southwest wind around 5 mph
                    early in the morning, then becoming
                    south 5 to 8 mph late in the morning
                    shifting to the west 5 to 11
                    mph by 1 PM.
Mixing height.......4100 ft AGL early in the morning.
Transport winds.....Light winds becoming west 9 to 14 mph late in
                    the morning.
Ventilation Index...Low (30) increasing to moderate (340) 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............51  49  49  53  58  63  68  73  74  75  76  74
RH..............65  71  74  68  62  55  49  44  41  38  38  39
20 FT wind dir..W   W   SW  S   S   S   S   SW  W   W   W   W
20 FT wind spd..4   4   5   4   4   5   6   8   8   10  11  11
20 FT wind gust.4   4   5   4   4   6   7   10  13  14  16  16

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....50-53.
Max humidity........74-79 percent.
Wind (20 ft)........West winds 5 to 10 mph shifting to the north
                    early in the morning.
Ridgetop wind.......West winds 5 to 10 mph shifting to the north
                    early in the morning.
Mixing height.......500 ft AGL in the evening and overnight.
Transport winds.....Northwest 5 to 12 mph shifting to the northeast
                    around 5 mph overnight.
Ventilation Index...Low (80) decreasing to low (30) overnight.

.SATURDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 80.
Min humidity........30-35 percent.
Wind (20 ft)........Northeast winds 5 to 7 mph shifting to the
                    southeast 5 to 8 mph late in the morning.
Ridgetop wind.......Northeast winds 6 to 10 mph shifting to the
                    southeast 8 to 12 mph late in the morning.
Mixing height.......3800 ft AGL early in the morning.
Transport winds.....Northeast around 5 mph early in the morning
                    becoming light, then becoming southeast around
                    8 mph late in the morning.
Ventilation Index...Low (30) increasing to moderate (240) in the
                    afternoon.

$$
Forecaster...Russell
Requested by...Adam Lieberg
Type of request...PRESCRIBED
.TAG 2622634.7/PDT
.DELDT 10/02/26
.FormatterVersion 2.0.0
.EMAIL alieberg@columbialandtrust.org,Jkelly@columbialandtrust.org