776
FNUS76 KPDT 050208
FWSPDT

Spot Forecast for 1170 WIERMAN RD...YAKAMA AGENCY
National Weather Service Pendleton OR
708 PM PDT Sat Oct 4 2025

Forecast is based on forecast start time of 1900 PDT on October 04.
***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 the
   transport wind multiplied by the mixing
   height in 100`s of feet. Index categories
   are a generalized indicator only.***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...Dry conditions are expected, with cool nights.

MIN RH values will be 30 to 35 percent on Sunday and 25 to 30
percent on Monday, with good overnight recoveries.

Winds will mainly be from the northwest tonight and shift to the north
to northeast Sunday and Monday and eventually the east.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (10-20 percent) then becoming
                    mostly cloudy (65-75 percent) then becoming
                    partly cloudy (45-55 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....43-46.
Max humidity........65-70 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph.
Ridgetop wind.......Northwest wind around 10 mph shifting to the northeast
                    overnight and increasing to 15 to 20 mph with gusts to
                    25 mph.
Mixing height.......600 ft AGL.
Transport winds.....Northwest 8 to 14 mph.
Ventilation Index...Poor (160) decreasing to poor (50) overnight.

TIME (PDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Chc of ltng (%).0      0      0      0      0      0
Temp............63     55     53     51     50     46
RH..............51     62     62     64     64     67
20 ft wind......NW 10  NW 8   NW 7   NW 7   NW 7   NW 8
20 ft wind gust.14     13     10     10     10     11

.SUNDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 70.
Min humidity........30-35 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph shifting to the
                    northeast late in the morning.
Ridgetop wind.......Northeast wind 10 to 15 mph with gusts to 20 mph.
Mixing height.......6600 ft AGL.
Transport winds.....North 8 to 12 mph shifting to the northeast
                    late in the morning.
Ventilation Index...Poor (110) increasing to good (570) in the
                    afternoon.

.SUNDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....36-39.
Max humidity........65-70 percent.
Wind (20 ft)........North winds 5 to 8 mph shifting to the
                    northwest 5 to 7 mph late in the evening.
Ridgetop wind.......Northeast wind 10 to 15 mph decreasing to around
                    10 mph toward morning.
Mixing height.......600 ft AGL.
Transport winds.....Northeast 6 to 8 mph shifting to the north
                    around 5 mph overnight.
Ventilation Index...Poor (110) decreasing to poor (30) overnight.

.MONDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....69-72.
Min humidity........25-30 percent.
Wind (20 ft)........North winds 5 to 7 mph shifting to the east 5
                    to 8 mph late in the afternoon.
Ridgetop wind.......Northeast wind around 10 mph becoming east 5 to
                    10 mph in the afternoon.
Mixing height.......4800 ft AGL.
Transport winds.....North around 5 mph shifting to the east around
                    6 mph late in the afternoon.
Ventilation Index...Poor (30) increasing to poor (80) in the
                    afternoon.

$$
Forecaster...Nierenberg
Requested by...SAMANTHA WATLAMET
Type of request...WILDFIRE
.TAG 2522982.0/PDT
.DELDT 10/04/25
.FormatterVersion 2.0.0
.EMAIL samantha_watlamet@yakama.com