743
FNUS76 KPDT 062056
FWSPDT

Spot Forecast for NW HQ...USWFS
National Weather Service Pendleton OR
156 PM PDT Wed May 6 2026

Forecast is based on ignition time of 1400 PDT on May 06.
***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...

Breezy west winds this afternoon will persist into the late
evening and before wind gusts slowly weaken incrementally overnight.
Gusts could still be as strong as 25 to 30 mph by 1 to 2 am but
should be weakening to gusts under 10 mph after 3 am Thursday.
This afternoons low relative humidity around 35 percent is expected
to recover to around 65 percent overnight.


.REST  OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....79-82.
Min humidity........34-39 percent.
Wind (20 ft)........West winds 12 to 20 mph with gusts to around 31
                    mph.
Ridgetop wind.......West winds 20 to 31 mph.
                    mph.
Mixing height.......3000 ft AGL.
Transport winds.....West around 21 mph.
Ventilation Index...Moderate (480).

TIME (PDT)      2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............75  78  75  74  73  70  67  61  57  55  54  53
RH..............39  39  39  40  40  41  45  56  64  67  67  67
20 FT wind dir..W   W   W   W   W   W   SW  SW  SW  SW  SW  SW
20 FT wind spd..20  20  20  19  19  19  17  17  17  13  13  13
20 FT wind gust.30  30  30  31  31  31  30  30  30  28  28  28

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly cloudy (45-55 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....46-49.
Max humidity........65-70 percent.
Wind (20 ft)........Southwest winds 8 to 19 mph with gusts to
                    around 31 mph decreasing to 5 to 8 mph overnight.
Ridgetop wind.......Southwest winds 15 to 20 mph with gusts to
                    around 31 mph decreasing to 5 to 8 mph after
                    3 am Thursday.
Mixing height.......500 ft AGL.
Transport winds.....West 13 to 21 mph decreasing to 7 to 9 mph
                    overnight.
Ventilation Index...Moderate (200) decreasing to low (40)
                    overnight.

.THURSDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....75-78.
Min humidity........22-27 percent.
Wind (20 ft)........Southwest winds 5 to 15 mph. Gusts up to 23
                    mph in the mid to late afternoon.
Ridgetop wind.......Southwest winds 15 to 20 mph. Gusts up to 27
                    mph in the mid to late afternoon.
Mixing height.......3900 ft AGL early in the morning.
Transport winds.....West 7 to 14 mph.
Ventilation Index...Low (60) increasing to moderate (360) in the
                    afternoon.

$$
Forecaster...Russell
Requested by...BRENNAN
Type of request...PRESCRIBED
.TAG 2612964.0/PDT
.DELDT 05/06/26
.FormatterVersion 2.0.0
.EMAIL benjamin_brennan@fws.gov