Spot Forecast
Issued by NWS Pendleton, OR

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059
FNUS76 KPDT 200201
FWSPDT

Spot Forecast for Hog Ranch Piles RX...WA DNR
National Weather Service Pendleton OR
601 PM PST Wed Nov 19 2025

Forecast is based on ignition time of 0800 PST on November 20.
***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 Thursday and Thursday night.
There is a low (30 percent or less) chance of rain on Friday.

Winds are generally expected to be 10 mph or less.

MIN RH will be around 70 percent on Thursday, and a few percentage
points lower on Friday, with excellent overnight recoveries.


.THURSDAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR.................2 percent.
Chance of lightning.0 percent.
Max temperature.....45-48.
Min humidity........67-72 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Southeast wind around 10 mph early, shifting
                    to the northwest during the morning into the
                    afternoon hours and remaining 5 to 10 mph.
Mixing height.......2300 ft AGL.
Transport winds.....Northwest around 5 mph early in the morning
                    becoming light.
Ventilation Index...Poor (30-70).

TIME (PST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............35  38  40  41  42  43  43  44  41  40  38  36
RH..............82  82  79  75  74  74  72  74  82  86  87  86
20 FT wind dir..N   N   S   S   S   SE  SE  SE  S   S   S   W
20 FT wind spd..2   2   3   3   3   3   3   3   3   3   3   3
20 FT wind gust.        4   4   4   5   5   5   4   4   4   4

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....31-34.
Max humidity........76-81 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......West to northwest winds 5 to 10 mph.
Mixing height.......700 ft AGL.
Transport winds.....Light winds becoming west 5 to 8 mph.
Ventilation Index...Poor (30-40) increasing to poor (40-50)
                    overnight.

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance
                    (20 percent) of rain in the late morning
                    and early afternoon. Chance (30 percent)
                    of rain late in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 50.
Min humidity........63-68 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......West to northwest wind 5 to 10 mph, becoming
                    northwest and increasing to 10 to 15 mph late
                    in the afternoon.
Mixing height.......1900 ft AGL.
Transport winds.....West 5 to 8 mph in the morning and early
                    afternoon becoming light.
Ventilation Index...Poor (50-70) decreasing to poor (30-70) in the
                    afternoon.

$$
Forecaster...Nierenberg
Requested by...Lane Berry
Type of request...PRESCRIBED
.TAG 2526438.0/PDT
.DELDT 11/19/25
.FormatterVersion 2.0.0
.EMAIL Lane.berry@dnr.wa.gov