473
FNUS76 KPDT 262134
FWSPDT

Spot Forecast for Pace Unit 23...Us Forest Service
National Weather Service Pendleton OR
134 PM PST Mon Jan 26 2026

Forecast is based on ignition time of 0800 PST on January 27.
***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...An approaching weather system will induce south
to southeast winds Tuesday, strongest during the afternoon hours,
and mild, dry conditions. There is a low (10-15 percent) chance
of precipitation (light wintry mix) Tuesday night into Wednesday
morning as the system moves overhead. Mixing heights are forecast
to increase Wednesday, and winds will be from the south to southwest.

.TUESDAY...

Sky/weather.........Mostly cloudy (80-90 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....48-51.
Min humidity........27-32 percent.
Wind (20 ft)........Southeast winds 4-7 mph early morning, becoming
                    south to southeast 9-14 mph with gusts up to 20
                    mph by late morning, then becoming south winds
                    5-8 mph with gusts up to 12 mph by late afternoon.
Ridgetop wind.......Southeast winds 5-9 mph with gusts up to 15 mph
                    early morning, becoming south to southeast 12-17 mph
                    with gusts up to 25 mph by late morning, then
                    becoming south winds 5-9 mph with gusts up to 15 mph
                    by late afternoon.
Mixing height.......Increasing to 1600-2100 ft AGL by late morning.
Transport winds.....Southeast 8-12 mph early morning, becoming south
                    12-17 mph late morning and afternoon.
Ventilation Index...Increasing to poor to fair (190-350) late morning
                    and afternoon.

TIME (PST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............30  32  36  39  43  46  47  49  47  43  41  37
RH..............65  60  45  40  35  30  30  30  35  45  55  60
20 FT wind dir..SE  SE  SE  SE  SE  SSE S   S   S   S   S   S
20 FT wind spd..6   6   10  10  12  12  12  12  8   8   7   6
20 FT wind gust.12  12  20  20  20  20  20  20  15  15  12  12

.TUESDAY NIGHT...

Sky/weather.........Mostly cloudy (60-90 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....31-34.
Max humidity........85-90 percent.
Wind (20 ft)........South to southeast winds 4-8 mph.
Ridgetop wind.......South to southeast winds 6-10 mph.
Mixing height.......Decreasing to 300-600 ft AGL overnight.
Transport winds.....South 9-14 mph.
Ventilation Index...Decreasing to poor (30-90) overnight.

.WEDNESDAY...

Sky/weather.........Mostly cloudy (60-85 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....49-52.
Min humidity........47-52 percent.
Wind (20 ft)........Southeast winds 3-6 mph early morning, becoming
                    south to west-southwest 5-9 mph with gusts up to
                    15 mph late morning and afternoon.
Ridgetop wind.......South winds 4-8 mph early morning, becoming
                    south to west-southwest 6-10 mph with gusts up to
                    20 mph late morning and afternoon.
Mixing height.......Increasing to 3000-3500 ft AGL by late morning.
Transport winds.....South 10-15 mph.
Ventilation Index...Increasing to fair to good (300-530) late morning
                    and afternoon.

$$
Forecaster...Plunkett
Requested by...Zach Spears
Type of request...PRESCRIBED
.TAG 2601079.0/PDT
.DELDT 01/26/26
.FormatterVersion 2.0.0
.EMAIL zachary.spears@usda.gov