151
FNUS76 KPDT 111149
FWSPDT

Spot Forecast for North Wenas RX...WA DNR
National Weather Service Pendleton OR
449 AM PDT Sat Oct 11 2025

Forecast is based on ignition time of 0700 PDT on October 11.
***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...A weather system continues to move through the
region, making for breezy winds and persistent rain chances
through the weekend. Best chances for rain at the site will be on
Sunday, possibly transitioning into snow by Sunday evening. Winds
will primarily be out of the west and northwest, but are expected
to shift more easterly Sunday night once this system starts to
exit the region.

.TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers throughout the day (45-55 percent).
CWR.................4 percent.
Chance of lightning.1 percent.
Max temperature.....53-56.
Min humidity........48-53 percent.
Wind (20 ft)........West-Northwest winds 6 to 12 mph.
Ridgetop wind.......West-Northwest winds 10 to 20 mph.
Mixing height.......3400 ft AGL early in the morning.
Transport winds.....West-Northwest 13 to 20 mph.
Ventilation Index...Poor (70) increasing to good (570) in the
                    afternoon.

TIME (PDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............44     48     51     53     51     49
RH..............77     62     57     53     53     59
20 ft wind......W 5    W 5    W 8    W 8    W 8    W 7
20 ft wind gust.7      8      12     12     13     12

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers in the evening and overnight (30-
                    40 percent).
CWR.................4 percent.
Chance of lightning.0 percent.
Min temperature.....39-42.
Max humidity........67-72 percent.
Wind (20 ft)........West-Northwest winds 5 to 10 mph.
Ridgetop wind.......Northwest winds 10 to 18 mph.
Mixing height.......1400 ft AGL early in the evening.
Transport winds.....West-Northwest 10 to 18 mph.
Ventilation Index...Poor (100) decreasing to poor (30) overnight.

.SUNDAY...

Sky/weather.........Cloudy (85-95 percent). Rain showers likely
                    throughout the day (80-90 percent), possibly
                    mixing with snow in the late afternoon.
CWR.................4 percent increasing to 89 percent.
Chance of lightning.7 percent.
Max temperature.....45-48.
Min humidity........51-56 percent.
Wind (20 ft)........West-Northwest winds 5 to 10 mph in the morning,
                    Becoming Northeast by the late afternoon.
                    late in the morning becoming light.
Ridgetop wind.......West-Northwest winds 10 to 18 mph, becoming
                    Southeast 7 to 14 mph by the late afternoon.
Mixing height.......2200 ft AGL early in the morning.
Transport winds.....West 6 to 13 mph, shifting East by the late
                    afternoon.
Ventilation Index...Poor (50) increasing to poor (150) in the
                    afternoon.

$$
Forecaster...Evans
Requested by...Jason Hoerner
Type of request...PRESCRIBED
.TAG 2523426.0/PDT
.DELDT 10/11/25
.FormatterVersion 2.0.0
.EMAIL Jthoer.85mx@gmail.com,Chris.Brandon@dnr.wa.gov,Walter.Escobar@dnr.wa.gov