267
FNUS76 KPDT 192358
FWSPDT

Spot Forecast for Rowe Creek Complex...Oregon Dept. of Forestry
National Weather Service Pendleton OR
458 PM PDT Sat Sep 19 2026

Forecast is based on forecast start time of 0600 PDT on September 20.
***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 and warm conditions will persist over the
fire through the period. Relative humidity will respond and
be in the upper teens to low 20% with overnight recoveries in the
50-60% range. Winds will be mostly diurnally driven below 10
mph. Monday will see relative humidity in the upper teens to
low 20% with southeast winds of near 6 mph before becoming
light and variable.


.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....75-83.
Min humidity........18-24 percent.
Wind (20 ft)........Southeast winds up to 6 mph increasing to 5 to
                    7 mph after 1400, then becoming light after
                    1700.
Ridgetop wind.......Southeast winds up to 8 mph increasing to 7 to
                    9 mph after 1400, then becoming variable 5 to 7
                    mph after 1700.
Mixing height.......6300 ft AGL early in the morning.
Transport winds.....Southeast 6 to 8 mph.
Ventilation Index...Low (40-50) increasing to moderate (370-420) 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   0
Temp............48  47  49  55  64  69  72  75  77  77  78  78
RH..............60  61  61  51  40  33  29  26  24  22  21  21
20 FT wind dir..E   E   E   E   SE  SE  SE  SE  SE  SE  SE  E
20 FT wind spd..6   6   6   5   5   6   6   6   5   5   4   3
20 FT wind gust.10  8   10  8   10  11  11  11  11  10  10  8

.SUNDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....46-52.
Max humidity........53-63 percent.
Wind (20 ft)........Light winds becoming east up to 6 mph after
                    1700.
Ridgetop wind.......East wind 5 to 7 mph increasing to near 8 mph
                    after 1700.
Mixing height.......3100 ft AGL early in the evening.
Transport winds.....East 6 to 8 mph.
Ventilation Index...Low (100-120) decreasing to low (30) overnight.

.MONDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....76-84.
Min humidity........18-24 percent.
Wind (20 ft)........Southeast winds up to 6 mph around 0800 and
                    after 1500 becoming light.
Ridgetop wind.......Southeast winds up to 8 mph around 0800 and
                    after 1500 becoming 5 to 7 mph.
Mixing height.......7100 ft AGL late in the morning.
Transport winds.....Southeast 6 to 7 mph shifting to the west
                    around 7 mph late in the afternoon.
Ventilation Index...Low (30) increasing to moderate (230-270) in
                    the afternoon.

$$
Forecaster...Bennese
Requested by...Matt Mackey
Type of request...WILDFIRE
.TAG 2622132.2/PDT
.DELDT 09/19/26
.FormatterVersion 2.0.0
.EMAIL matt.a.mackey@oregon.gov