451
FNUS76 KPDT 011231
FWSPDT

Spot Forecast for Little Crow...USFS
National Weather Service Pendleton OR
431 AM PST Mon Dec 1 2025

Forecast is based on ignition time of 0700 PST on December 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 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 will bring a low chance (20 percent)
of rain and snow to the burn site today, with better chances
(60-65 percent) tonight into Tuesday morning. Dry conditions are
forecast by Tuesday afternoon. Northwest winds will increase in
strength tonight through Tuesday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-80 percent). Slight chance
                    (20 percent) of snow in the morning, then
                    slight chance (20 percent) of rain and snow in
                    the afternoon.
CWR.................2 percent.
Chance of lightning.0 percent.
Max temperature.....36-39.
Min humidity........60-65 percent.
Wind (20 ft)........Drainage winds 1-4 mph early morning, becoming
                    northwest 5-8 mph late morning and afternoon.
Ridgetop wind.......Drainage winds 1-4 mph early morning, becoming
                    northwest 5-8 mph late morning and afternoon.
Mixing height.......Increasing to 800-1200 ft AGL by afternoon.
Transport winds.....West 5-8 mph in the morning, increasing to 8-12
                    mph in the afternoon.
Ventilation Index...Poor (20-40) in the morning, increasing to poor
                    (80-140) in the afternoon.

TIME (PST)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............23     27     35     38     36     33
RH..............63     62     67     71     81     85
20 ft wind......NW 3   NW 4   NW 5   NW 7   NW 5   NW 6
20 ft wind gust.

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent). Chance (35 percent)
                    of rain and snow in the evening, then likely
                    (60 percent chance) rain and snow overnight.
CWR.................14 percent.
Chance of lightning.0 percent.
Min temperature.....31-34.
Max humidity........94-99 percent.
Wind (20 ft)........Northwest winds 6-10 mph with gusts of 15-20 mph
                    overnight.
Ridgetop wind.......Northwest winds 8-12 mph with gusts of 15-25 mph
                    overnight.
Mixing height.......Decreasing to 300-500 ft AGL overnight.
Transport winds.....West 12-18 mph.
Ventilation Index...Poor (40-90) overnight.

.TUESDAY...

Sky/weather.........Mostly cloudy (55-75 percent). Rain and snow likely
                    (65 percent chance) in the morning.
CWR.................10 percent in the morning.
Chance of lightning.0 percent.
Max temperature.....33-36.
Min humidity........82-87 percent.
Wind (20 ft)........Northwest winds 6-10 mph with gusts of 15-25 mph.
Ridgetop wind.......Northwest winds 8-12 mph with gusts of 15-25 mph.
Mixing height.......Increasing to 1600-2000 ft AGL by late morning.
Transport winds.....Northwest 15-20 mph.
Ventilation Index...Fair (240-400).

$$
Forecaster...Plunkett
Requested by...JC
Type of request...PRESCRIBED
.TAG 2526722.0/PDT
.DELDT 12/01/25
.FormatterVersion 2.0.0
.EMAIL derrick.thomas@usda.gov