468
FNUS76 KPDT 071602
FWSPDT

Spot Forecast for Mud Lake RX...WA DNR
National Weather Service Pendleton OR
802 AM PST Fri Nov 7 2025

Forecast is based on ignition time of 0840 PST on November 07.
***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...Very low (10 percent) chance of light rain showers this
morning, with otherwise dry conditions forecast through the weekend.
Northwest winds will weaken by late afternoon, then transition
to terrain-driven winds (generally southeast to east winds) overnight
through Saturday.

.REST OF TODAY...

Sky/weather.........Partly cloudy (15-35 percent).
CWR.................0 percent.
Max temperature.....46-49.
Min humidity........55-60 percent.
Wind (20 ft)........Northwest winds 5-9 mph with gusts of 12-17 mph
                    decreasing to 3-6 mph late afternoon.
Ridgetop wind.......Northwest winds 7-12 mph with gusts of 20-25 mph
                    decreasing to 5-8 mph late afternoon.
Mixing height.......Increasing to 3500-4000 ft AGL by late morning.
Transport winds.....West 10-15 mph.
Ventilation Index...Increasing to fair (470) in the afternoon.

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
Min temperature.....31-34.
Max humidity........77-82 percent.
Wind (20 ft)........Drainage winds 2-5 mph.
Ridgetop wind.......Northwest winds 5-8 mph.
Mixing height.......Decreasing to 400-600 ft AGL overnight.
Transport winds.....Northwest 6-8 mph.
Ventilation Index...Decreasing to poor (35) overnight.

.SATURDAY...

Sky/weather.........Mostly sunny (20-35 percent).
CWR.................0 percent.
Max temperature.....41-44.
Min humidity........63-68 percent.
Wind (20 ft)........Becoming upslope and upvalley winds 4-7 mph
                    by early to mid-morning.
Ridgetop wind.......Southeast winds 4-8 mph.
Mixing height.......Increasing to 1500-2000 ft AGL by late morning.
Transport winds.....Southeast 4-7 mph.
Ventilation Index...Increasing to poor (100-120) by late morning.

$$
Forecaster...Plunkett
Requested by...Tyler Meyer
Type of request...PRESCRIBED
.TAG 2524832.2/PDT
.DELDT 11/07/25
.FormatterVersion 2.0.0
.EMAIL tyler.meyer@dnr.wa.gov,carson.zepp@dnr.wa.gov