274
FNUS76 KPDT 232347
FWSPDT

Spot Forecast for Rowena...Columbia Cascade
National Weather Service Pendleton OR
447 PM PDT Mon Jun 23 2025

Forecast is based on forecast start time of 1730 PDT on June 23.
***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...The rest of the evening will remain quiet before a
weak front moves through the area tomorrow, leading to an increase
in winds. No rain is expected along this front, but cooler
temperatures and improving RHs are expected behind it for
Wednesday onward. Winds will generally be out of the west through
the week, with the lowest gusts expected today and tonight,
before becoming breezy tomorrow and through the rest of the week.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....84-87.
Min humidity........32-37 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Ridgetop wind.......West winds 8 to 12 mph.
Mixing height.......6900 ft AGL.
Transport winds.....West around 9 mph.
Ventilation Index...Fair (310).

TIME (PDT)      5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............84  83  81  79  76  73  70  68  67  66  65  64
RH..............37  38  41  45  49  54  57  60  62  63  64  64
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..7   7   7   7   7   7   7   7   7   6   6   6
20 FT wind gust.10  10  10  10  10  10  8   8   8

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....63-66.
Max humidity........61-66 percent.
Wind (20 ft)........West winds around 5 mph.
Ridgetop wind.......West winds 5 to 10 mph.
Mixing height.......1500 ft AGL.
Transport winds.....West 6 to 10 mph.
Ventilation Index...Fair (310) decreasing to poor (60) overnight.

.TUESDAY...

Sky/weather.........Sunny (20-30 percent) then becoming mostly
                    cloudy (80-90 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....91-94.
Min humidity........27-32 percent.
Wind (20 ft)........West winds 7 to 14 mph. Gusts could reach 20
                    mph at times during the afternoon and early
                    evening.
Ridgetop wind.......West winds 5 to 10 mph early, increasing to
                    15 to 25 mph by the late afternoon.
Mixing height.......6600 ft AGL.
Transport winds.....West 6 to 10 mph increasing to 18 to 23 mph
                    late in the afternoon.
Ventilation Index...Poor (80) increasing to good (690) in the
                    afternoon.

$$
Forecaster...Evans
Requested by...Brayden Saavedra
Type of request...WILDFIRE
.TAG 2516340.3/PDT
.DELDT 06/23/25
.FormatterVersion 2.0.0
.EMAIL lauren.clark@usda.gov,waccc@firenet.gov