Spot Forecast
Issued by NWS Pendleton, OR

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714
FNUS76 KPDT 121529
FWSPDT

Spot Forecast for Wahluke RX...USFWS
National Weather Service Pendleton OR
729 AM PST Wed Nov 12 2025

Forecast is based on ignition time of 0800 PST on November 12.
***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 conditions are expected through tonight.
Rain chances will increase on Thursday, though wetting
rain chances are low.

MIN RH values will be 65 to 70 percent today and 75 to 80 percent
on Thursday with excellent overnight recoveries.

.TODAY...

Sky/weather.........Mostly cloudy (80-90 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....53-56.
Min humidity........65-70 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph.
Mixing height.......1300 ft AGL early in the morning.
Transport winds.....North 5 to 7 mph.
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............44  46  47  50  51  52  52  53  51  50  48  47
RH..............91  89  83  78  73  71  72  72  78  84  88  91
20 FT wind dir..N   N   NW  NW  NW  NW  NW  NW  NW  NW  NW  N
20 FT wind spd..7   7   8   8   8   7   7   7   6   6   6   6
20 FT wind gust.        10  10  10  8   8   8

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    after 3 am.
CWR.................5 percent.
Chance of lightning.0 percent.
Min temperature.....41-44.
Max humidity........91-96 percent.
Wind (20 ft)........North winds 5 to 7 mph.
Mixing height.......Near Surface.
Transport winds.....North 5 to 7 mph in the evening and overnight
                    becoming light toward morning.
Ventilation Index...Poor (30).

.THURSDAY...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain
                    early in the morning, then rain likely in the
                    morning and early afternoon. Chance of rain
                    late in the afternoon.
CWR.................7 percent increasing to 16 percent late in the
                    afternoon.
Chance of lightning.2 percent.
Max temperature.....53-56.
Min humidity........75-80 percent.
Wind (20 ft)........North winds 5 to 7 mph shifting to the south 5
                    to 8 mph in the late morning and afternoon.
Mixing height.......700 ft AGL in the late morning and early
                    afternoon.
Transport winds.....Light winds becoming northeast around 5 mph
                    early in the morning, then shifting to the
                    south 6 to 7 mph in the late morning and
                    afternoon.
Ventilation Index...Poor (30).

$$
Forecaster...Nierenberg
Requested by...Cory Thompson
Type of request...PRESCRIBED
.TAG 2525679.0/PDT
.DELDT 11/12/25
.FormatterVersion 2.0.0
.EMAIL cory_thompson@fws.gov