865
FNUS76 KPDT 021722
FWSPDT

Spot Forecast for Mill Canyon...WA DNR
National Weather Service Pendleton OR
922 AM PST Tue Dec 2 2025

Forecast is based on ignition time of 1000 PST on December 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 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 weak weather system was moving across the region This Morning,
bringing light precipitaton, however that precipitation will be ending.
Surface iwnds will be weakening by 2 to 3 pm, going light northwest.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....39-42.
Min humidity........67-72 percent.
Wind (20 ft)........West winds 5 to 8 mph. Gusts up to 20 mph late
                    in the morning.
Ridgetop wind.......West
Mixing height.......1200 ft AGL in the late morning and early
                    afternoon.
Transport winds.....Northwest 12 to 17 mph.
Ventilation Index...Poor (40-150).

TIME (PST)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............37     38     39     34     31     29
RH..............80     72     73     77     83     80
20 ft wind......W 8    W 8    NW 7   W 5    W 5    W 5
20 ft wind gust.16     16     13     10     10     10

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (55-65 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....24-27.
Max humidity........78-83 percent.
Wind (20 ft)........West winds 5 to 7 mph early in the evening
                    becoming light.
Ridgetop wind.......Northwest 3 to 7 mph.
Mixing height.......Around 1000 ft and falling to the surface after 4 pm.
Transport winds.....Northwest 5 to 12 mph.
Ventilation Index...Poor (30-40).

.WEDNESDAY...

Sky/weather.........Partly sunny (65-75 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....36-39.
Min humidity........67-72 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......
Mixing height.......500 ft AGL early in the afternoon.
Transport winds.....West around 5 mph early in the morning becoming
                    light, then becoming west 5 to 6 mph in the
                    afternoon.
Ventilation Index...Poor (30).

$$
Forecaster...Russell
Requested by...Isabel Casillas
Type of request...PRESCRIBED
.TAG 2526863.0/PDT
.DELDT 12/02/25
.FormatterVersion 2.0.0
.EMAIL isabel.casillas@dnr.wa.gov