607
FNUS76 KPDT 110819
FWSPDT

Spot Forecast for Range 5 RX...DoD
National Weather Service Pendleton OR
119 AM PDT Mon May 11 2026

Forecast is based on ignition time of 0800 PDT on May 11.
***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 transport wind
   multiplied by the mixing height in 100`s of ft.
   Categories are a generalized indicator only:
   low (< 200), moderate (200-500), high (500-700),
   and very high (> 700).                           ***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...

.REST OF TODAY...

Through about 10 am, the surface winds look to be light and out of the east.
Between 11 and 1 pm the winds will back to the south and then out of the
west remaining under 8 mph through the evening. Afternoon minimum relative
humidity around 17% will improve to around 35-40% overnight.


Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 80.
Min humidity........15-20 percent.
Wind (20 ft)........North winds 5 to 8 mph early in the morning
                    becoming light, then becoming southwest 5 to 7
                    mph in the afternoon.
Ridgetop wind.......North winds 5 to 8 mph early in the morning
                    becoming light, then becoming southwest 7 to 9
                    mph in the afternoon.
Mixing height.......5400 ft AGL.
Transport winds.....North around 6 mph early in the morning
                    becoming light, then becoming southeast 5 to 6
                    mph late in the afternoon.
Ventilation Index...Low (100) increasing to moderate (210) 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............53     62     69     73     75     75
RH..............55     39     28     24     21     20
20 ft wind......N 7    NE 4   SE 4   SW 5   S 5    S 6
20 ft wind gust.10     6      5      6      6

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (60-70 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....50-53.
Max humidity........36-41 percent.
Wind (20 ft)........Southeast winds 5 to 7 mph shifting to the southeast
                    around 8 mph early in the evening, then
                    becoming light in the late evening and
                    overnight becoming northeast 5 to 7 mph
                    overnight.
Ridgetop wind.......Southeast winds 6 to 8 mph shifting to the southeast
                    around 9 mph early in the evening, then
                    becoming light in the late evening and
                    overnight becoming northeast 6 to 8 mph
                    overnight.
Mixing height.......4700 ft AGL early in the evening then 500 ft
                    AGL early in the morning.
Transport winds.....East 5 to 8 mph shifting to the northeast
                    around 8 mph early in the morning.
Ventilation Index...Low (130) decreasing to low (30) overnight.

.TUESDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....85-88.
Min humidity........13-18 percent.
Wind (20 ft)........Northeast winds 5 to 10 mph.
Ridgetop wind.......Northeast winds 10 to 15 mph.
Mixing height.......5200 ft AGL.
Transport winds.....East 7 to 12 mph.
Ventilation Index...Low (100) increasing to moderate (430) in the
                    afternoon.

$$
Forecaster...Russell
Requested by...Jeremy Johnson
Type of request...PRESCRIBED
.TAG 2613176.0/PDT
.DELDT 05/11/26
.FormatterVersion 2.0.0
.EMAIL joshua.a.thompson36.civ@army.mil,jeremy.d.johnson151.civ@army.mil,kari.a.thomas5.civ@army.mil