617
FNUS76 KPDT 022230
FWSPDT

Spot Forecast for Wildcat
National Weather Service Pendleton OR
330 PM PDT Tue Sep 2 2025

Forecast is based on forecast start time of 0600 PDT on September 03.
***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...Hot and dry for the remainder of the day with a
10-20% chance of dry thunderstorms this afternoon, and between
1700-2200 PDT Wednesday. South winds less than 5 mph will increase
lift over the Cascade Foothills. Diurnally driven winds on
Wednesday will be weakly easterly in the morning, then westerly in
the afternoon/evening.

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent). Areas of smoke.
CWR.................0 percent.
Chance of lightning.10 percent.
Max temperature.....86-89.
Min humidity........16-21 percent.
Wind (20 ft)........Northeast winds 5 to 7 mph shifting to the east
                    late in the morning, then shifting to the
                    northwest 5 to 6 mph late in the afternoon.
Ridgetop wind.......
Mixing height.......10000 ft AGL.
Transport winds.....North around 6 mph shifting to the east around
                    7 mph late in the morning, then shifting to the
                    west around 5 mph late in the afternoon.
Ventilation Index...Poor (60) increasing to good (510) 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   0   0   0   0   0   0   10
Temp............63  63  66  71  78  81  84  85  86  85  84  83
RH..............35  36  37  34  29  24  23  22  21  22  24  26
20 FT wind dir..N   N   NE  NE  NE  E   E   E   SE  SE  SE  NW
20 FT wind spd..5   5   5   5   5   5   5   5   6   6   6   6
20 FT wind gust.7   7   6   6   6   6   6   6   10  10  10  10

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (45-55 percent) then becoming
                    partly cloudy (40-50 percent). Areas of smoke
                    early in the evening.
CWR.................0 percent.
Chance of lightning.11 percent.
Min temperature.....63-66.
Max humidity........44-49 percent.
Wind (20 ft)........West winds 5 to 7 mph becoming light.
Ridgetop wind.......
Mixing height.......500 ft AGL.
Transport winds.....Northwest 5 to 7 mph shifting to the north
                    around 6 mph overnight, then shifting to the
                    southwest around 5 mph early in the morning.
Ventilation Index...Poor (100) decreasing to poor (30) overnight.

.THURSDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of lightning.8 percent.
Max temperature.....84-87.
Min humidity........24-29 percent.
Wind (20 ft)........Light winds becoming south 5 to 7 mph late in
                    the afternoon, then shifting to the northwest 5
                    to 6 mph late in the afternoon.
Ridgetop wind.......
Mixing height.......9800 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the
                    southeast 5 to 8 mph early in the morning, then
                    shifting to the south around 8 mph late in the
                    afternoon shifting to the northwest around 5
                    mph late in the afternoon.
Ventilation Index...Poor (30) increasing to good (550) in the
                    afternoon.

$$
Forecaster...NWS Seattle
Requested by...Forrest Ownbey
Type of request...WILDFIRE
.TAG 2521129.0/PDT
.DELDT 09/02/25
.FormatterVersion 2.0.0
.EMAIL forrest_ownbey@firenet.gov