621
FNUS76 KPDT 261116
FWSPDT

Spot Forecast for Bob Creek Fire...USFS
National Weather Service Pendleton OR
416 AM PDT Sun Jul 26 2026

Forecast is based on forecast start time of 0700 PDT on July 26.
***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...Dry weather is expected through Monday.

MIN RH values will be 10 to 15 percent today and Monday, with good
overnight recoveries.

Winds will become gusty from the southwest this afternoon and evening with
gusts as high as 15 to 20 mph.  Winds will be less on Monday, generally 10
mph or less.


.TODAY...

Sky/weather.........Sunny (0-10 percent). Areas of smoke, then
                    smoke late in the afternoon.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....Around 90.
Min humidity........10-15 percent.
Wind (20 ft)........Northeast winds 5 to 7 mph shifting to the
                    southeast late in the morning, then shifting to
                    the southwest 5 to 11 mph late in the morning.
                    Gusts to 15 mph in the afternoon.
Ridgetop wind.......North winds 5 to 10 mph, becoming south in the
                    afternoon.
Mixing height.......6800 ft AGL.
Transport winds.....Northwest 5 to 7 mph shifting to the southwest
                    9 to 13 mph late in the morning.
Ventilation Index...Low (50) increasing to high (530) in the
                    afternoon.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............64  65  68  73  77  80  84  86  87  88  87  87
RH..............46  46  41  36  30  27  21  18  16  15  14  15
20 FT wind dir..N   NE  SE  SE  S   S   SW  SW  SW  SW  SW  SW
20 FT wind spd..5   6   5   5   6   7   8   11  11  11  10  8
20 FT wind gust.6       6   6       8   11  14  14  14  13  11

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent). Smoke in the
                    evening, then areas of smoke late in the
                    evening.
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....62-65.
Max humidity........39-44 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph shifting to the
                    north 5 to 18 mph early in the evening, then
                    decreasing to 5 to 8 mph early in the morning.
Ridgetop wind.......South winds 5 to 10 mph shifting to the north and
                    increasing to 10 to 15 mph, with gusts to 20 mph
Mixing height.......500 ft AGL.
Transport winds.....Southwest around 10 mph shifting to the north 8
                    to 17 mph early in the evening.
Ventilation Index...Low (120) decreasing to low (80) overnight.

.MONDAY...

Sky/weather.........Sunny (0-10 percent). Areas of smoke in the
                    morning and early afternoon, then patchy smoke
                    late in the afternoon.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....86-89.
Min humidity........10-15 percent.
Wind (20 ft)........North winds 5 to 8 mph shifting to the
                    southwest 5 to 10 mph late in the morning.
Ridgetop wind.......North winds decreasing to 5 to 10 mph then
                    shifting to the southwest in the afternoon.
Mixing height.......7700 ft AGL early in the morning.
Transport winds.....North 5 to 8 mph shifting to the southwest 8 to
                    12 mph late in the morning.
Ventilation Index...Low (70) increasing to high (530) in the
                    afternoon.

$$
Forecaster...Nierenberg
Requested by...Denig
Type of request...WILDFIRE
.TAG 2618260.1/PDT
.DELDT 07/26/26
.FormatterVersion 2.0.0
.EMAIL orbmc@firenet.gov,rjdenig@yahoo.com