742
FNUS76 KPDT 140059
FWSPDT

Spot Forecast for Ferry Fire...USDA
National Weather Service Pendleton OR
559 PM PDT Fri Jun 13 2025

Forecast is based on forecast start time of 0900 PDT on June 14.
***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...Brief high pressure will begin to build over the
fire area from the south on Saturday as winds pick up through the
afternoon, peaking between 2 PM and 9 PM. Excellent (70-75%)
overnight recoveries Saturday morning, but humidities will be
trending drier through the weekend as afternoon humidities drop
into the upper-teens on Sunday. Recoveries also become more
moderate (50-55%) Sunday and Monday mornings.

.SATURDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....74-79.
Min humidity........17-22 percent.
Wind (20 ft)........West winds 5 to 10 mph with gusts of 15 mph,
                    increasing 10 to 15 gusts up to 20 mph after
                    2 PM.
Ridgetop wind.......West winds 6 to 12 mph with gusts of 18 mph,
                    increasing 12 to 18 mph with gusts up to 23
                    mph after 2 PM.
Mixing height.......4900 ft AGL.
Transport winds.....West 10 to 14 mph.
Ventilation Index...Poor (180) increasing to fair (470-480) in the
                    afternoon.

TIME (PDT)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............58     67     72     75     77     74
RH..............50     37     29     25     21     24
20 ft wind......W 8    W 8    W 8    NW 12  NW 14  NW 14
20 ft wind gust.12     14     14     17     18     20

.SATURDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent) after 11 PM.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....52-55.
Max humidity........51-56 percent.
Wind (20 ft)........West winds 10 to 15 mph with gusts to around 20
                    mph shifting to the southwest 5 to 10 mph after
                    11 PM.
Ridgetop wind.......West winds 12 to 18 mph with gusts up to 23 mph
                    shifting to the southwest 6 to 12 mph after 11
                    11 PM
Mixing height.......700 ft AGL in the evening.
Transport winds.....West 12 to 18 mph.
Ventilation Index...Fair (330-360) decreasing to poor (90-110)
                    overnight.

.SUNDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....80-85.
Min humidity........13-18 percent.
Wind (20 ft)........West winds 5 to 10 mph shifting to the
                    northwest after 11 AM.
Ridgetop wind.......West winds 6 to 12 mph shifting to the
                    northwest after 11 AM.
Mixing height.......6500 ft AGL early in the morning.
Transport winds.....West 8 to 12 mph.
Ventilation Index...Poor (100) increasing to fair (330) in the
                    afternoon.

$$
Forecaster...Callihan
Requested by...Ryan Gregg
Type of request...WILDFIRE
.TAG 2515938.0/PDT
.DELDT 06/13/25
.FormatterVersion 2.0.0
.EMAIL amy.e.lowe@usda.gov,orcoc@firenet.gov,ryan.gregg@usda.gov