318
FNUS76 KPDT 300217
FWSPDT

Spot Forecast for Anthony Fire...Wallowa-Whitman National Forest
National Weather Service Pendleton OR
717 PM PDT Sat Aug 29 2026

Forecast is based on forecast start time of 2000 PDT on August 29.
***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 weather is expected through Monday.

MIN RH values will be 20 to 25 percent on Sunday and around
15 percent on Monday, with excellent recovery tonight and moderate
recovery Sunday night.

Winds will mainly be from the west tonight and Sunday, then shifting
to more of a southerly direction Sunday night and Monday.  Winds will
gust 15 to 20 mph, this evening, then will generally be 10 mph or less.

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....30-33.
Max humidity........80-85 percent.
Wind (20 ft)........West winds 5 to 12 mph. Gusts 15 to 20 mph in the evening.
Ridgetop wind.......Northwest winds 15 to 20 mph with gusts to 25 mph in the
                    evening, decreasing to 5 to 10 mph by daybreak.
Mixing height.......500 ft AGL.
Transport winds.....West 8 to 14 mph.
Ventilation Index...Moderate (380) decreasing to low (50)
                    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............40  38  36  36  34  33  33  32  32  31  31  30
RH..............59  68  75  79  81  85  85  85  85  85  75  69
20 FT wind dir..NW  W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..12  12  12  12  11  10  8   8   8   7   7   6
20 FT wind gust.17  17  16  14  13  11  10

.SUNDAY...

Sky/weather.........Sunny (10-20 percent) then becoming partly
                    sunny (50-60 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....61-64.
Min humidity........20-25 percent.
Wind (20 ft)........West winds 5 to 8 mph early in the morning
                    becoming light.
Ridgetop wind.......West winds 5 to 10 mph, shifting to the east
                    in the afternoon.
Mixing height.......5600 ft AGL.
Transport winds.....West 7 to 9 mph.
Ventilation Index...Low (80) increasing to moderate (340) in the
                    afternoon.

.SUNDAY NIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    mostly clear (15-25 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.......South winds 5 to 10 mph.
Mixing height.......3500 ft AGL early in the evening then 500 ft
                    AGL late in the evening and overnight.
Transport winds.....Northwest 5 to 7 mph shifting to the south 6 to
                    7 mph late in the evening.
Ventilation Index...Low (100) decreasing to low (30) overnight.

.MONDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....70-73.
Min humidity........13-18 percent.
Wind (20 ft)........South winds 5 to 8 mph shifting to the
                    southeast late in the morning.
Ridgetop wind.......Southeast winds around 10 mph.
Mixing height.......8400 ft AGL.
Transport winds.....South 7 to 15 mph.
Ventilation Index...Low (30) increasing to high (650) in the
                    afternoon.

$$
Forecaster...Nierenberg
Requested by...Andrew Livingston
Type of request...WILDFIRE
.TAG 2620560.4/PDT
.DELDT 08/29/26
.FormatterVersion 2.0.0
.EMAIL andrew.livingston@usda.gov