414
FNUS76 KPDT 040158
FWSPDT

Spot Forecast for Wildcat...USFS
National Weather Service Pendleton OR
658 PM PDT Fri Oct 3 2025

Forecast is based on forecast start time of 0600 PDT on October 04.
***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 the
   transport wind multiplied by the mixing
   height in 100`s of feet. Index categories
   are a generalized indicator only.***

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

.DISCUSSION...


A very weak surface pressure gradient has set up over the region,
which will be the prevailing feature until a dry cold frontal boundary
pushes south across the region Saturday night. Chances for showers are
less than 5 percent in the afternoon while the afternoon will see mixing
reach as high as 4500 ft AGL with Ridge top winds as high as 25 mph
Saturday afternoon.


.SATURDAY...

Sky/weather.........Partly sunny (45-55 percent). Chance of rain
                    showers.
CWR.................3 percent.
Chance of lightning.4 percent.
Max temperature.....55-58.
Min humidity........54-59 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph.
Ridgetop wind.......20 to 25 mph
Mixing height.......4700 ft AGL.
Transport winds.....Northwest around 12 mph.
Ventilation Index...Poor (130) increasing to fair (390) in the
                    afternoon.

.SATURDAY NIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Slight chance of
                    rain showers in the evening.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 40.
Max humidity........76-81 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph in the evening
                    becoming light.
Ridgetop wind.......10-14 mph
Mixing height.......1500 ft AGL.
Transport winds.....North around 7 mph.
Ventilation Index...Poor (190) decreasing to poor (60) overnight.

.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 60.
Min humidity........30-35 percent.
Wind (20 ft)........Light winds becoming east 5 to 6 mph in the
                    afternoon.
Ridgetop wind.......15 to 20 mph
Mixing height.......5800 ft AGL.
Transport winds.....East around 10 mph.
Ventilation Index...Poor (70) increasing to fair (440) in the
                    afternoon.

$$
Forecaster...Russell
Requested by...Aana Kulaas
Type of request...WILDFIRE
.TAG 2522738.4/PDT
.DELDT 10/03/25
.FormatterVersion 2.0.0
.EMAIL nicholas.wigle@usda.gov,aana_kulaas@firenet.gov