520
FNUS76 KPDT 242355
FWSPDT

Spot Forecast for Rowena...Columbia Cascade
National Weather Service Pendleton OR
455 PM PDT Tue Jun 24 2025

Forecast is based on forecast start time of 1730 PDT on June 24.
***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...Breezy west winds will persist into early tonight
with stronger west winds returning Wednesday. Breezy afternoon winds
will continue through into this weekend. RHs will bottom out in
the upper 20s this afternoon, with better RHs in the lower 40s
tomorrow and through the end of the work week. Overnight recovery
will be moderate to good. Daytime temperatures will become near
normal through the end of the work week.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....92-95.
Min humidity........23-28 percent.
Wind (20 ft)........West winds 8 to 14 mph with gusts up to
20 mph.
Ridgetop wind.......West winds  10 to 15 mph with gusts up to
24 mph.
Mixing height.......4500 ft AGL.
Transport winds.....West around 17 mph.
Ventilation Index...Fair (410).

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............91  89  86  84  80  78  75  73  70  69  66  65
RH..............28  31  32  36  40  44  50  53  57  58  62  65
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..14  14  13  12  12  11  11  10  10  9   9   8
20 FT wind gust.18  18  18  18  18  18  14  14  14  13  13  13

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent) then becoming
                    partly cloudy (35-45 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....63-66.
Max humidity........64-69 percent.
Wind (20 ft)........West winds 8 to 13 mph decreasing to 5 to
10 mph after 11PM.
Ridgetop wind.......West winds 10 to 15 mph becoming 8 to 13 mph
after 11PM.
Mixing height.......1500 ft AGL in the evening.
Transport winds.....West 9 to 17 mph in the evening and overnight
                    becoming light.
Ventilation Index...Fair (410) decreasing to poor (30) overnight.

.WEDNESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....81-84.
Min humidity........40-45 percent.
Wind (20 ft)........West winds 5 to 10 mph increasing to 13 to
20 mph after 8AM. Gusts up to 25 mph developing
after 8AM, then increasing to 31 mph after 2PM.
Ridgetop wind.......West winds 8 to 13 mph increase to 16 to 24 mph
after 8AM. Gusts 27 to 34 mph developing after
8AM.
Mixing height.......3400 ft AGL early in the morning.
Transport winds.....Light winds becoming west 10 to 17 mph early in
                    the morning, then increasing to 21 to 23 mph
                    late in the afternoon.
Ventilation Index...Poor (50) increasing to good (500) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...Brayden Saavedra
Type of request...WILDFIRE
.TAG 2516340.4/PDT
.DELDT 06/24/25
.FormatterVersion 2.0.0
.EMAIL waccc@firenet.gov,lauren.clark@usda.gov