912
FNUS76 KPDT 140746
FWSPDT

Spot Forecast for Salmon/Olive Butte...Forest Service
National Weather Service Pendleton OR
1246 AM PDT Fri Aug 14 2026

Forecast is based on forecast start time of 0600 PDT on August 14.
***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.

...RED FLAG WARNING IN EFFECT UNTIL 7 PM PDT THIS EVENING...

.DISCUSSION...Chance of thunderstorms 33% and CWR 20% after 1400.
Outside thunderstorms winds will be light and variable with min
humidity in the low 30%. Light winds will persist overnight with
recoveries in the mid 30%. Saturday will see SE winds 5-7 mph with
humidity in the low 30%. Thunderstorm chances of 27% after 1400 and
a CWR of 5%.

.TODAY...

Sky/weather.........Partly sunny (55-65 percent). Chance of rain
                    showers through the day. Chance of
                    thunderstorms in the afternoon.
CWR.................20 percent.
Chance of lightning.33 percent.
Max temperature.....71-74.
Min humidity........32-37 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Ridgetop wind.......Variable winds 3 to 5 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......5800 ft AGL.
Transport winds.....South around 7 mph.
Ventilation Index...Low (50) increasing to moderate (360) in the
                    afternoon.

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of lightning.11 percent.
Min temperature.....51-54.
Max humidity........59-64 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Variable winds 3 to 5 mph.
Mixing height.......3300 ft AGL early in the evening then 500 ft
                    AGL late in the evening.
Transport winds.....Northeast around 7 mph.
Ventilation Index...Low (60) decreasing to low (30) overnight.

.SATURDAY...

Sky/weather.........Partly sunny (55-65 percent). Rain showers
                    likely and chance of thunderstorms in the
                    afternoon.
CWR.................5 percent.
Chance of lightning.27 percent.
Max temperature.....73-76.
Min humidity........34-39 percent.
Wind (20 ft)........Southeast winds 5 to 7 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
Ridgetop wind.......Southeast winds 7 to 9 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....South around 12 mph.
Ventilation Index...Low (70) increasing to very high (750) in the
                    afternoon.

$$
Forecaster...Bennese
Requested by...Alex Rolstad
Type of request...WILDFIRE
.TAG 2619472.2/PDT
.DELDT 08/14/26
.FormatterVersion 2.0.0
.EMAIL lane.mcdonald@usda.gov,alex.rolstad@usda.gov