Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
915
FNUS76 KPDT 101457
FWSPDT
Spot Forecast for Mud Lake RX...WA DNR
National Weather Service Pendleton OR
657 AM PST Mon Nov 10 2025
Forecast is based on ignition time of 0841 PST on November 10.
***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 (70-80%) overnight humidity recoveries
this morning as a weak cold front approaches and passes over the
fire area later this morning. This will lead to an increase in
winds this afternoon and a slight chance (~20%) of measurable
rainfall before 1300. Winds decrease this evening as high pressure
moves in from the west, providing mostly clear skies tonight
through Veterans Day.
.REST OF TODAY...
Sky/weather.........Partly to mostly cloudy (50-75 percent).
Chance (25 to 35 percent) of rain before
1 PM.
CWR.................0 percent.
Max temperature.....Around 60.
Min humidity........58-63 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph becoming west 6
to 12 mph with gusts up to 18 mph after
1100, peaking between 1400 and 1700.
Ridgetop wind.......Northwest winds 6 to 12 mph becoming west 7
to 14 with gusts up to 20 mph, peaking
between 1400 and 1700.
Mixing height.......3600 ft AGL.
Transport winds.....West around 11 mph.
Ventilation Index...Poor to fair (110-350) increasing to poor to
fair (160-350) in the afternoon.
.TONIGHT...
Sky/weather.........Mostly cloudy (55-65 percent) then becoming
partly cloudy (25-35 percent) after 1 AM.
CWR.................0 percent.
Min temperature.....36-39.
Max humidity........83-88 percent.
Wind (20 ft)........West winds 6 to 12 mph with gust up to 18
mph becoming northeast 3 to 7 mph after
1700.
Ridgetop wind.......West winds 7 to 14 mph with gusts up to 20
mph becoming northeast 4 to 8 mph after
1700.
Mixing height.......1600 ft AGL.
Transport winds.....Northwest around 12 mph.
Ventilation Index...Poor (160-170) decreasing to poor (130-170)
overnight.
.VETERANS DAY...
Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Max temperature.....53-56.
Min humidity........53-58 percent.
Wind (20 ft)........Northwest winds 3 to 7 mph shifting to the
southeast around noon.
Ridgetop wind.......Northeast winds 4 to 8 mph shifting to the
southeast around noon.
Mixing height.......2900 ft AGL.
Transport winds.....West around 6 mph.
Ventilation Index...Poor (60-130) decreasing to poor (60) in the
afternoon.
$$
Forecaster...Callihan
Requested by...Tyler Meyer
Type of request...PRESCRIBED
.TAG 2524832.5/PDT
.DELDT 11/10/25
.FormatterVersion 2.0.0
.EMAIL tyler.meyer@dnr.wa.gov,carson.zepp@dnr.wa.gov