309
FNUS76 KPDT 051242
FWSPDT

Spot Forecast for WIERMAN RD 2...YAKAMA AGENCY
National Weather Service Pendleton OR
542 AM PDT Sun Oct 5 2025

Forecast is based on forecast start time of 0700 PDT on October 05.
***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...Winds will be from the north to northeast and light
through tomorrow afternoon, with easterly winds developing as high
pressure strengthens aloft. Low level inversion will lift around 9AM
this morning, and redevelop after 8PM, with good ventilation in the
afternoon. Inversion will break late in the morning Monday, with
only poor ventilation through the afternoon. Afternoon RHs will be
in the mid to upper 20s with good overnight recovery.


.REST OF TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 70.
Min humidity........28-33 percent.
Wind (20 ft)........North winds 5 to 8 mph shifting to the
                    northeast around 11AM.
Mixing height.......6600 ft AGL.
Transport winds.....North 7 to 10 mph shifting to the northeast
                    late in the morning.
Ventilation Index...Poor (100) increasing to good (550) in the
                    afternoon.

TIME (PDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............43     52     60     65     66     65
RH..............69     54     42     36     33     34
20 ft wind......NW 8   N 8    NE 8   NE 8   NE 8   NE 7
20 ft wind gust.11     11     12     12     12     10

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 40.
Max humidity........64-69 percent.
Wind (20 ft)........Northeast winds 5 to 8 mph shifting to the
                    north 4 to 7 mph after 10PM.
Mixing height.......600 ft AGL.
Transport winds.....Northeast 5 to 7 mph shifting to the north
                    around 5 mph late in the evening.
Ventilation Index...Poor (90) decreasing to poor (30) overnight.

.MONDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....71-74.
Min humidity........24-29 percent.
Wind (20 ft)........North winds 5 to 7 mph shifting to the east 5
                    to 8 mph around 2PM.
Mixing height.......4200 ft AGL.
Transport winds.....North around 5 mph shifting to the east 5 to 6
                    mph late in the morning.
Ventilation Index...Poor (30) increasing to poor (130) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...SAMANTHA WATLAMET
Type of request...WILDFIRE
.TAG 2522983.0/PDT
.DELDT 10/05/25
.FormatterVersion 2.0.0
.EMAIL samantha_watlamet@yakama.com