781
FNUS76 KPDT 251707
FWSPDT

Spot Forecast for KETTLE CREEK...FS
National Weather Service Pendleton OR
1007 AM PDT Sat Jul 25 2026

Forecast is based on forecast start time of 1000 PDT on July 25.
***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 weak cold front boundary will move across the
fire site today, with winds from the southwest ahead of the
boundary, shifting to the west behind the boundary between
2PM-4PM this afternoon. Winds will weaken overnight, with
weaker winds expected Sunday. RHs will be in the mid 40s today
and tomorrow with good overnight recovery.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.4 percent.
Max temperature.....Around 60.
Min humidity........45-50 percent.
Wind (20 ft)........Southwest winds 8 to 13 mph with gusts to
                    around 18 mph increasing to 12 to 18 mph with
gusts up to 26 mph, then shifting to the west
around 3PM.
Ridgetop wind.......Southwest winds 10 to 15 mph with gusts up
to around 21 mph increasing to 15 to 21 mph
with gusts up to 30 mph, then shifting to the
west around 3PM.
Mixing height.......4000 ft AGL.
Transport winds.....Southwest 15 to 20 mph.
Ventilation Index...High (680) in the afternoon.

TIME (PDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............56  57  58  58  57  56  56  54  53  51  50  50
RH..............54  49  47  47  48  48  50  61  68  76  83  83
20 FT wind dir..SW  SW  SW  SW  SW  W   W   W   W   W   W   W
20 FT wind spd..11  12  14  14  15  17  17  17  16  13  13  11
20 FT wind gust.18  21  22  22  24  25  25  24  24  20  20  19

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 50.
Max humidity........73-78 percent.
Wind (20 ft)........West winds 12 to 17 mph with gusts to around
26 mph, becoming downslope winds around 10PM.
Ridgetop wind.......West winds 15 to 21 mph with gusts up to 30 mph
decreasing to 11 to 16 mph with gusts up to
23 mph after 7PM, then shifting to the
southwest 5 to 10 mph after 10PM.
Mixing height.......700 ft AGL.
Transport winds.....Southwest 9 to 17 mph decreasing to around 7
                    mph early in the morning.
Ventilation Index...Moderate (320) decreasing to low (80)
                    overnight.

.SUNDAY...

Sky/weather.........Sunny (20-30 percent) then becoming partly
                    sunny (45-55 percent).
CWR.................0 percent.
Chance of lightning.3 percent.
Max temperature.....60-63.
Min humidity........46-51 percent.
Wind (20 ft)........Downslope winds becoming southwest winds 6 to
11 mph after 9AM.
Ridgetop wind.......Southwest winds 5 to 10 mph increasing to 10
to 15 mph with gusts to around 21 mph after
9AM.
Mixing height.......4700 ft AGL.
Transport winds.....Southwest 7 to 14 mph increasing to 14 to 17
                    mph late in the afternoon.
Ventilation Index...Low (90) increasing to high (590) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...Elias Meyer
Type of request...WILDFIRE
.TAG 2618208.0/PDT
.DELDT 07/25/26
.FormatterVersion 2.0.0
.EMAIL wacwc@firenet.gov