604
FNUS76 KPDT 272325
FWSPDT

Spot Forecast for Three Queens...US Forest Service
National Weather Service Pendleton OR
425 PM PDT Mon Jul 27 2026

Forecast is based on forecast start time of 0600 PDT on July 28.
***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...A weak cold front will move across the region
tomorrow, resulting in breezy west winds shifting to the
northwest by the early evening hours. Winds will be stronger
along the exposed ridgetops. Afternoon RHs will be in the lower
50s tomorrow, then upper 30s on Wednesday with good to excellent
overnight recovery.

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of lightning.3 percent.
Max temperature.....66-69.
Min humidity........50-55 percent.
Wind (20 ft)........Downslope winds becoming west 5 to 10 mph after 8AM,
with gusts to around 17 mph after 12PM.
Ridgetop wind.......West winds 4 to 7 mph increasing to 8 to 14 mph
with gusts up to 22 mph after 8AM.
Mixing height.......3400 ft AGL.
Transport winds.....West 10 to 16 mph.
Ventilation Index...Low (140) increasing to moderate (410) in the
                    afternoon.

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............51     54     59     63     65     66
RH..............84     75     67     62     55     54
20 ft wind......W 4    W 6    W 8    W 8    W 10   W 10
20 ft wind gust.6      10     11     14     14     16

.TUESDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....Around 50.
Max humidity........77-82 percent.
Wind (20 ft)........Northwest winds 5 to 11 mph with gusts to
                    around 18 mph decreasing to 4 to 7 mph around
10PM.
Ridgetop wind.......Northwest winds 8 to 14 mph with gusts to
around 23 mph decreasing to 5 to 10 mph
around 10PM.
Mixing height.......500 ft AGL.
Transport winds.....Northwest 10 to 15 mph.
Ventilation Index...Moderate (270) decreasing to low (50)
                    overnight.

.WEDNESDAY...

Sky/weather.........Partly sunny (60-70 percent) then becoming
                    sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....70-73.
Min humidity........38-43 percent.
Wind (20 ft)........Northwest winds 3 to 6 mph increasing to 5 to
8 mph around 10AM.
Ridgetop wind.......Northwest winds 4 to 8 mph increasing to
5 to 10 mph around 10AM.
Mixing height.......3400 ft AGL.
Transport winds.....West 6 to 10 mph.
Ventilation Index...Low (70) increasing to low (190) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...Matthew Hundt
Type of request...WILDFIRE
.TAG 2618449.0/PDT
.DELDT 07/27/26
.FormatterVersion 2.0.0
.EMAIL Matthew.Hundt@usda.gov