Spot Forecast
Issued by NWS Pendleton, OR

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872
FNUS76 KPDT 310214
FWSPDT

Spot Forecast for Anthony Fire...Wallowa-Whitman National Forest
National Weather Service Pendleton OR
714 PM PDT Sun Aug 30 2026

Forecast is based on forecast start time of 2000 PDT on August 30.
***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 transport wind
   multiplied by the mixing height in 100`s of ft.
   Categories are a generalized indicator only:
   low (< 200), moderate (200-500), high (500-700),
   and very high (> 700).                           ***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...Dry conditions are expected through Monday night.
There is a slight chance (20 percent) of showers Tuesday afternoon,
though CWR chances are negligible.

MIN RH values are 15 to 20 percent Monday and 25 to 30 percent Tuesday,
with moderate recoveries overnight.

Winds will generally be out of a southerly direction, going from southwest
tonight then varying between south and southeast Monday and Monday night and
more southerly on Tuesday.  Winds could gust to 15 mph Monday afternoon and
15 to 20 mph Tuesday afternoon.

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent). Patchy smoke late
                    in the evening.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 40.
Max humidity........46-51 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 8 mph late
                    in the evening.
Ridgetop wind.......Northeast winds 5 to 10 mph, becoming south by
                    daybreak.
Mixing height.......500 ft AGL.
Transport winds.....Light winds becoming south 7 to 8 mph late in
                    the evening.
Ventilation Index...Low (80) decreasing to low (30) overnight.

TIME (PDT)      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............45  42  41  40  40  40  40  40  40  40  39  40
RH..............47  50  52  51  49  48  46  46  46  44  40  39
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  S   SW  S
20 FT wind spd..3   3   4   5   6   6   6   6   7   8   8   8
20 FT wind gust.4   4   5   6                           10  10

.MONDAY...

Sky/weather.........Sunny (10-20 percent). Patchy smoke late in the
                    afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....69-72.
Min humidity........15-20 percent.
Wind (20 ft)........South winds 5 to 10 mph shifting to the
                    southeast in the late morning and afternoon.  Gusts
                    to 15 mph in the afternoon.
Ridgetop wind.......South winds 5 to 10 mph, shifting to the southeast
                    and increasing to around 10 mph in the afternoon.
                    Gusts to 15 mph in the afternoon.
Mixing height.......7800 ft AGL.
Transport winds.....South 8 to 15 mph.
Ventilation Index...Low (60) increasing to very high (740) in the
                    afternoon.

.MONDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (60-70 percent). Patchy smoke
                    early in the evening.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 50.
Max humidity........33-38 percent.
Wind (20 ft)........Southeast winds 5 to 7 mph shifting to the
                    south 5 to 8 mph early in the evening.
Ridgetop wind.......South to southeast winds 5 to 10 mph.
Mixing height.......500 ft AGL.
Transport winds.....South 7 to 12 mph.
Ventilation Index...Moderate (240) decreasing to low (40)
                    overnight.

.TUESDAY...

Sky/weather.........Partly sunny (50-60 percent). Slight chance (20%) of
                    rain showers late in the afternoon.
CWR.................0 percent.
Chance of lightning.7 percent.
Max temperature.....Around 70.
Min humidity........25-30 percent.
Wind (20 ft)........South winds 5 to 8 mph.
Ridgetop wind.......South winds 5 to 10 mph. Gusts 15 to 20 mph in the afternoon.
Mixing height.......9600 ft AGL.
Transport winds.....South 7 to 12 mph increasing to around 17 mph
                    late in the afternoon.
Ventilation Index...Low (40) increasing to very high (710) in the
                    afternoon.

$$
Forecaster...Nierenberg
Requested by...Andrew Livingston
Type of request...WILDFIRE
.TAG 2620560.5/PDT
.DELDT 08/30/26
.FormatterVersion 2.0.0
.EMAIL andrew.livingston@usda.gov