931
FNUS76 KPDT 221135
FWSPDT

Spot Forecast for Anthony...FS
National Weather Service Pendleton OR
435 AM PDT Sat Aug 22 2026

Forecast is based on forecast start time of 0600 PDT on August 22.
***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...Upper weather system passage today will lead
to breezy southwest to west winds developing by this afternoon,
with winds weakening late overnight. West winds will prevail
tomorrow. Afternoon relative humidity will dip into the mid
20s today, then decrease into the upper teens tomorrow. Overnight
recovery will be fair to good. There is a low chance (10-15%) of
isolated thunderstorms/showers impacting the fire area
between 2PM to 6PM this afternoon.

.TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................7 percent.
Chance of lightning.12 percent.
Max temperature.....70-73.
Min humidity........24-29 percent.
Wind (20 ft)........South winds 5 to 10 mph increasing to 7 to
13 mph with gusts up to 21 mph around 12PM,
then shifting to the southwest around 2PM,
then shifting to the west around 5PM.
Ridgetop wind.......South winds 6 to 12 mph increasing to 9 to
15 mph with gusts up to 24 mph around 12PM,
then shifting to the southwest around 2PM,
then shifting to the west around 5PM.
Mixing height.......9300 ft AGL.
Transport winds.....South 7 to 10 mph shifting to the southwest 13
                    to 20 mph late in the morning.
Ventilation Index...Low (110) increasing to very high (1050) in the
                    afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Chc of ltng (%).0   0   0   0   0   10  10  10  10  10  10  10
Temp............63  63  64  64  65  66  68  68  67  68  68  66
RH..............33  35  39  39  37  34  32  31  31  31  29  33
20 FT wind dir..S   S   S   S   S   S   S   S   SW  SW  SW  W
20 FT wind spd..7   8   9   9   8   9   10  10  11  13  13  11
20 FT wind gust.                        16  17  19  19  21  18

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Patchy smoke
                    overnight.
CWR.................6 percent.
Chance of lightning.8 percent.
Min temperature.....50-53.
Max humidity........57-62 percent.
Wind (20 ft)........West winds 7 to 13 mph with gusts up to 21 mph
shifting to the northwest around 7PM, then
shifting to the west around 11PM, then
decreasing to 5 to 10 mph after 2AM.
Ridgetop wind.......West winds 9 to 15 mph with gusts up to 24 mph
shifting to the northwest around 7PM, then
shifting to the west around 11PM, then
decreasing to 6 t0 11 mph after 2AM.
Mixing height.......500 ft AGL.
Transport winds.....West 8 to 13 mph.
Ventilation Index...Moderate (290) decreasing to low (50)
                    overnight.

.SUNDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....62-65.
Min humidity........18-23 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Ridgetop wind.......West winds 6 to 11 mph.
Mixing height.......6800 ft AGL.
Transport winds.....West 8 to 13 mph.
Ventilation Index...Low (120) increasing to high (660) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...IC Makarowski
Type of request...WILDFIRE
.TAG 2619281.13/PDT
.DELDT 08/22/26
.FormatterVersion 2.0.0
.EMAIL ormbc@firenet.gov,daniel.oneal@usda.gov,jeffrey.duke@usda.gov,Andrew.livingston@usda.gov