169
FNUS76 KPDT 031839
FWSPDT

Spot Forecast for 4th of July Planning...Franklin County Fire District #3
National Weather Service Pendleton OR
1139 AM PDT Thu Jul 3 2025

Forecast is based on forecast start time of 1200 PDT on July 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...A low-pressure system will move onshore overnight through
Friday, facilitating a 20 percent chance of showers and a 5 percent
chance of thunderstorms Friday afternoon. Winds will be mostly out
of the southwest with some afternoon gusts of around 15 mph.

.INDEPENDENCE DAY...

Sky/weather.........Mostly cloudy (80-90 percent). 20 percent chance of
                    showers in the afternoon with a 5 percent chance
                    of thunderstorms.
Chance of pcpn......20 percent.
Chance of lightning.5 percent.
Max temperature.....80-83.
Min humidity........34-39 percent.
Surface winds (mph).Southwest winds 6-10 mph with gusts up to 15 mph.
Mixing height.......3500-4000 ft AGL.
Transport winds.....South 8-12 mph.

TIME (PDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Chc of ltng (%).0   0   0   0   5   5   5   5   5   5   5   5
Temp............77  78  79  80  81  79  79  77  74  71  69  68
RH..............39  39  39  39  39  39  39  40  44  53  57  57
Surface wnd dir.SW  SW  SW  SW  SW  SW  SW  SW  S   S   S   SW
Surface wnd spd.10  10  10  10  10  10  10  10  8   8   6   6
Surface wnd gst.15  15  15  15  15  15  15  15  15  15  12  12

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    partly cloudy (45-55 percent).
Chance of pcpn......0 percent.
Chance of lightning.5 percent.
Min temperature.....59-62.
Max humidity........60-65 percent.
Surface winds (mph).Southwest winds 6-10 mph.
Mixing height.......500-800 ft AGL.
Transport winds.....South 8-12 mph shifting to the west 8-12 mph late
                    in the evening, then shifting to the southwest
                    6-8 mph overnight.

.SATURDAY...

Sky/weather.........Mostly sunny (20-30 percent).
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....88-91.
Min humidity........19-24 percent.
Surface winds (mph).Southwest winds 6-10 mph with gusts up to 15 mph.
Mixing height.......8000-8500 ft AGL.
Transport winds.....Southwest 7-11 mph.

$$
Forecaster...Plunkett
Requested by...Michael Hendricks
Type of request...OTHER
.TAG 2517218.0/PDT
.DELDT 07/03/25
.FormatterVersion 2.0.0
.EMAIL mhendricks@fcfd3.org