520
FNUS76 KPDT 131210
FWSPDT

Spot Forecast for buck cam...yakama bia
National Weather Service Pendleton OR
510 AM PDT Thu Aug 13 2026

Forecast is based on forecast start time of 0600 PDT on August 13.
***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...A chance of showers and slight chance of thunderstorms
is forecast today, with onset of convection expected by 1-3 PM.
Thunderstorm chances peak at 20 percent late afternoon and
evening, then drop overnight to 10 percent. Winds are anticipated to
be diurnally and terrain-driven outside of any gusty and erratic winds
associated with showers and thunderstorms.

.TODAY...

Sky/weather.........Mostly sunny (5-20 percent) becoming partly
                    to mostly cloudy (45-70 percent). Areas of smoke.
                    Chance of rain showers and slight chance of
                    thunderstorms in the afternoon.
CWR.................10 percent.
Chance of lightning.20 percent.
Max temperature.....76-79.
Min humidity........38-43 percent.
Wind (20 ft)........Variable winds 1-4 mph early morning, becoming
                    south to southeast 3-6 mph late morning, then becoming
                    northwest 2-5 mph late afternoon. Gusty and
                    erratic winds in the vicinity of any thunderstorms
                    that develop.
Ridgetop wind.......Variable winds 1-4 mph early morning, becoming
                    south to southeast 3-6 mph late morning, then becoming
                    northwest 3-7 mph late afternoon. Gusty and
                    erratic winds in the vicinity of any thunderstorms
                    that develop.
Ventilation Index...Low (80) increasing to low (190) 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   5   5   10  20  20  20  20
Temp............54  56  60  65  70  72  73  74  75  76  74  74
RH..............72  70  62  55  47  43  46  44  43  43  44  49
20 FT wind dir..VRB VRB VRB VRB VRB S   S   S   S   S   NW  NW
20 FT wind spd..3   3   3   3   4   5   5   5   4   3   3   3
20 FT wind gust.

.TONIGHT...

Sky/weather.........Partly to mostly cloudy (45-70 percent) in the
                    evening, becoming partly cloudy (10-30 percent)
                    overnight. Slight chance of showers and
                    thunderstorms in the evening, then very low chance
                    of showers and thunderstorms overnight. Areas of smoke.
CWR.................5 percent.
Chance of lightning.15 percent in the evening, then 10 percent overnight.
Min temperature.....56-59.
Max humidity........64-69 percent.
Wind (20 ft)........Northwest to north winds 3-7 mph in the evening,
                    becoming terrain-driven 1-4 mph overnight.
                    Gusty and erratic winds in the vicinity of any
                    thunderstorms that develop.
Ridgetop wind.......Northwest to north winds 3-7 mph in the evening,
                    becoming variable 2-5 mph overnight.
                    Gusty and erratic winds in the vicinity of any
                    thunderstorms that develop.
Ventilation Index...Low (120) decreasing to low (30) overnight.

$$
Forecaster...Plunkett
Requested by...gary peters
Type of request...WILDFIRE
.TAG 2619605.0/PDT
.DELDT 08/13/26
.FormatterVersion 2.0.0
.EMAIL gary_peters@yakama.com