944
FNUS76 KPDT 012206
FWSPDT

Spot Forecast for Radar Hill...Bureau of Land Management
National Weather Service Pendleton OR
206 PM PST Thu Jan 1 2026

Forecast is based on ignition time of 1500 MST on January 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...Excellent (90-100%) overnight humidity recoveries
Friday morning as high temperatures warm 10 degrees from Thursday.
This south flow will also increase winds slightly Friday
evening/night, with breezier winds anticipated Saturday associated
with a weak, passing cold front late in the day. Rain and snow
chances will be possible Saturday morning before transitioning to
just rain by mid-late morning as chances drop considerably through
the afternoon/evening.

.FRIDAY...

Sky/weather.........Partly sunny (60-70 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....43-46.
Min humidity........80-85 percent.
Wind (20 ft)........Southwest winds 3 to 7 mph becoming southeast
                    5 to 9 mph around 1300.
Ridgetop wind.......Southwest winds 4 to 8 mph becoming southeast
                    6 to 10 mph around 1300.
Mixing height.......500 ft AGL early in the afternoon.
Transport winds.....South around 8 mph shifting to the east late in
                    the afternoon.
Ventilation Index...Poor (120).

TIME (MST)      4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  41  39  37  36  35  34  34  34  34  34  33
RH..............82  86  90  95  93  93  92  91  91  92  93  92
20 FT wind dir..SE  E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..8   8   8   8   8   8   8   8   8   8   8   8
20 FT wind gust.11  10  10  10  11  11  11  10  10  10  10  10

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Chance (20-30
                    percent) of rain after 3 am.
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....30-33.
Max humidity........88-93 percent.
Wind (20 ft)........Southeast winds 5 to 9 mph becoming east 6 to
                    11 mph after 1700.
Ridgetop wind.......Southeast winds 6 to 10 mph becoming east 7
                    to 12 mph after 1700.
Mixing height.......250 ft AGL.
Transport winds.....Southeast 8 to 9 mph.
Ventilation Index...Poor (22).

.SATURDAY...

Sky/weather.........Partly sunny (65-75 percent). Chance (20-30
                    percent) of rain and snow before 1000, then
                    transitioning to rain with dropping chances
                    (10-20 percent) after 1700.
CWR.................0 percent.
Chance of lightning.2 percent.
Max temperature.....44-47.
Min humidity........71-76 percent.
Wind (20 ft)........East winds 6 to 11 mph shifting to the
                    south 8 to 14 mph after 1000, peaking between
                    1100 and 1500.
Ridgetop wind.......East winds 7 to 12 mph shifting to the south
                    9 to 15 mph after 1000, peaking between 1100
                    and 1500.
Mixing height.......3300 ft AGL in the late morning and afternoon.
Transport winds.....Southeast 9 to 16 mph.
Ventilation Index...Moderate (460).

$$
Forecaster...Callihan
Requested by...Drinkwater
Type of request...PRESCRIBED
.TAG 2528186.0/PDT
.DELDT 01/01/26
.FormatterVersion 2.0.0
.EMAIL orbic@firenet.gov