448
FNUS76 KPDT 041429
FWSPDT

Spot Forecast for Two Lakes...Dolores Moore
National Weather Service Pendleton OR
729 AM PDT Mon Aug 4 2025

Forecast is based on forecast start time of 0800 PDT on August 04.
***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...Dry conditions will persist over the fire through
the forecast period. Daytime RHs today will range between 58-63%
with excellent overnight recoveries. Winds will be from the west
between 5-11 mph shifting slightly NW around 2 PM. Daytime RHs will
drop slightly tomorrow to between 43-48% with winds remaining from
the west at 5-10 mph.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    sunny (20-30 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....Around 60.
Min humidity........58-63 percent.
Wind (20 ft)........West winds 5 to 11 mph.
Ridgetop wind.......West winds 7 to 13 mph.
Mixing height.......2000 ft AGL.
Transport winds.....West 9 to 13 mph.
Ventilation Index...Poor (30) increasing to poor (150) in the
                    afternoon.

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............45     51     55     58     57     55
RH..............86     72     66     62     64     73
20 ft wind......W 8    W 8    W 8    W 10   W 10   W 11
20 ft wind gust.14     14     13     14     14     16

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (65-75 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....42-45.
Max humidity........95-100 percent.
Wind (20 ft)........Northwest winds 5 to 11 mph.
Ridgetop wind.......Northwest winds 7 to 12 mph.
Mixing height.......600 ft AGL in the evening.
Transport winds.....West 9 to 14 mph.
Ventilation Index...Poor (110) decreasing to poor (30) overnight.

.TUESDAY...

Sky/weather.........Partly sunny (50-60 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....62-65.
Min humidity........43-48 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Ridgetop wind.......West winds 7 to 12 mph.
Mixing height.......3300 ft AGL late in the morning.
Transport winds.....West 9 to 14 mph.
Ventilation Index...Poor (30) increasing to fair (220) in the
                    afternoon.

$$
Forecaster...Bennese
Requested by...Yakama
Type of request...WILDFIRE
.TAG 2519207.0/PDT
.DELDT 08/04/25
.FormatterVersion 2.0.0
.EMAIL dolores_moore@yakama.com