621
FNUS76 KPDT 190013
FWSPDT

Spot Forecast for Mule Creek...BLM
National Weather Service Pendleton OR
413 PM PST Tue Nov 18 2025

Forecast is based on ignition time of 2000 PST on November 18.
***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...Dry weather is expected through the period, with
winds generally less than 10 mph.

MIN RH values on Wednesday will be 60 to 65 percent with excellent
overnight recoveries.

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....35-38.
Max humidity........80-85 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening
                    becoming light, then becoming north 5 to 7 mph
                    after 3 am.
Ridgetop wind.......East wind 5 to 10 mph.
Mixing height.......Near Surface.
Transport winds.....North around 5 mph early in the evening
                    becoming light.
Ventilation Index...Poor (30).

TIME (PST)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............40  40  39  38  38  37  37  36  36  35  35  35
RH..............86  85  86  87  86  86  83  85  86  86  87  86
20 FT wind dir..NW  NW  NW  NW  NW  N   N   N   N   N   N   N
20 FT wind spd..5   5   5   5   5   4   4   4   5   5   5   4
20 FT wind gust.6   6

.WEDNESDAY...

Sky/weather.........Mostly cloudy (75-85 percent) then becoming
                    mostly sunny (35-45 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....45-48.
Min humidity........62-67 percent.
Wind (20 ft)........North winds around 5 mph early in the morning
                    becoming light, then becoming east 5 to 8 mph
                    in the late morning and afternoon.
Ridgetop wind.......East wind 5 to 10 mph.
Mixing height.......1700 ft AGL.
Transport winds.....Light winds becoming southeast 5 to 8 mph in
                    the late morning and afternoon.
Ventilation Index...Poor (30-90) increasing to poor (60-90) in the
                    afternoon.

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent). Slight chance (20%) of
                    rain after 3 am.
CWR.................1 percent.
Chance of lightning.0 percent.
Min temperature.....34-37.
Max humidity........80-85 percent.
Wind (20 ft)........East winds 5 to 7 mph early in the evening
                    becoming light.
Ridgetop wind.......East wind 5 to 10 mph.
Mixing height.......600 ft AGL.
Transport winds.....East 6 to 8 mph.
Ventilation Index...Poor (60) decreasing to poor (40-60) overnight.

$$
Forecaster...Nierenberg
Requested by...Morgan Vaughan
Type of request...PRESCRIBED
.TAG 2526354.0/PDT
.DELDT 11/18/25
.FormatterVersion 2.0.0
.EMAIL orbic@firenet.gov