595
FNUS76 KPDT 011429
FWSPDT

Spot Forecast for Crow Creek...USFS
National Weather Service Pendleton OR
629 AM PST Sun Nov 1 2026

Forecast is based on ignition time of 0635 PST on November 01.
***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...Mostly clear, cool conditions today with light
northwest winds developing by early to mid-morning. Winds are
forecast to switch back to southeasterly after midnight tonight,
followed by some locally breezy southeasterly winds Monday along
ridgetops. An inversion is forecast to keep mixing heights low
(less than 1800 ft AGL) on Monday.

.TODAY...

Sky/weather.........Mostly sunny (5-15 percent). Patchy freezing fog
                    in the morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....50-53.
Min humidity........50-55 percent.
Wind (20 ft)........Variable winds 1-4 mph early morning, becoming
                    northwest to west-northwest 3-6 mph by mid-morning.
Ridgetop wind.......Variable winds 1-4 mph early morning, becoming
                    northwest to west-northwest 4-7 mph by mid-morning.
Mixing height.......Increasing to 2500-3000 ft AGL by late morning.
Transport winds.....Light winds becoming west-northwest 5-9 mph by
                    mid-morning.
Ventilation Index...Increasing to low (190) by late morning.

TIME (PST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............27     30     41     49     51     43
RH..............98     92     78     55     52     75
20 ft wind......VRB 3  NW 3   NW 4   NW 5   NW 5   NW 5
20 ft wind gust.

.TONIGHT...

Sky/weather.........Mostly clear to partly cloudy (15-35 percent),
                    becoming mostly cloudy (55-65 percent) early
                    morning.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....25-28.
Max humidity........85-90 percent.
Wind (20 ft)........West-northwest winds 3-6 mph in the evening,
                    becoming variable or southeast 1-4 mph after midnight.
Ridgetop wind.......West-northwest winds 4-7 mph in the evening,
                    becoming southeast 3-7 mph after midnight.
Mixing height.......Decreasing to 200-500 ft AGL overnight.
Transport winds.....West 5-9 mph shifting to the southeast 3-6 mph after
                    midnight.
Ventilation Index...Decreasing to low (30) overnight.

.MONDAY...

Sky/weather.........Mostly sunny (45-55 percent) then becoming
                    cloudy (90-100 percent) in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....50-53.
Min humidity........55-60 percent.
Wind (20 ft)........Southeast or variable winds 1-4 mph early morning,
                    becoming southeast 5-9 mph with gusts of 10-15 mph
                    late morning and afternoon.
Ridgetop wind.......Southeast winds 3-7 mph early morning, becoming
                    southeast 8-12 mph with gusts of 12-18 mph late
                    morning and afternoon.
Mixing height.......Increasing to 1400-1800 ft AGL by late morning.
Transport winds.....Southeast 6-10 mph.
Ventilation Index...Increasing to low (120) by late morning.

$$
Forecaster...Plunkett
Requested by...Jon Campbell
Type of request...PRESCRIBED
.TAG 2624869.3/PDT
.DELDT 11/01/26
.FormatterVersion 2.0.0
.EMAIL jonathon.l.campbell@usda.gov