235
FNUS76 KPDT 071440
FWSPDT

Spot Forecast for Snake River Jnct....Franklin Co FD#3
National Weather Service Pendleton OR
740 AM PDT Mon Jul 7 2025

Forecast is based on forecast start time of 0723 PDT on July 07.
***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.

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 9 PM PDT TUESDAY...

.DISCUSSION...Hot and dry conditions will prevail through the
midweek. Temperatures are expected to peak on Tuesday, before a
weak front moves through the area Tuesday night into Wednesday,
causing temperatures to cool and winds to pick up out of the West
and Southwest. Wednesday in particular is expected to be a gusty
day.

.TODAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 100.
Min humidity........10-15 percent.
Wind (20 ft)........Light winds becoming West 5 to 8 mph late in
                    the morning.
Mixing height.......6900 ft AGL.
Transport winds.....West-Southwest around 6 mph.
Ventilation Index...Poor (40) increasing to poor (190) in the
                    afternoon.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............63  68  73  81  85  88  90  93  95  96  96  97
RH..............52  44  39  32  27  24  21  17  15  15  16  16
20 FT wind dir..E   S   SW  SW  W   W   W   NW  NW  NW  W   W
20 FT wind spd..4   4   4   4   5   5   5   6   6   6   5   5
20 FT wind gust.                6   6   6   7   7   7   7   7

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....65-68.
Max humidity........47-52 percent.
Wind (20 ft)........West winds 5 to 8 mph early in the evening
                    becoming East-Southeast overnight.
Mixing height.......800 ft AGL.
Transport winds.....Southwest around 6 mph early in the evening
                    becoming South overnight.
Ventilation Index...Poor (110) decreasing to poor (40) overnight.

.TUESDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.2 percent.
Max temperature.....103-106.
Min humidity........9-14 percent.
Wind (20 ft)........Southeast winds around 5 mph early, becoming Southwest
                    6 to 12 mph late in the afternoon.
Mixing height.......6900 ft AGL.
Transport winds.....West-Southwest 8 to 12 mph.
Ventilation Index...Poor (100) increasing to fair (390) in the
                    afternoon.

$$
Forecaster...Evans
Requested by...Mike Harris
Type of request...WILDFIRE
.TAG 2517481.0/PDT
.DELDT 07/07/25
.FormatterVersion 2.0.0
.EMAIL mharris@fcfd3.org