620
FNUS76 KPDT 311547
FWSPDT

Spot Forecast for Fi210...USFS
National Weather Service Pendleton OR
847 AM PDT Sun May 31 2026

Forecast is based on ignition time of 0900 PDT on June 01.
***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...Dry conditions continue with winds remaining light
overall through the forecast period. Expecting winds to taper
to 10-15 mph, with light and variable in the overnight hours.
Humidity wise, expect min RH`s to remain in the high teens to
mid 20s, with overnight recoveries being good.

.MONDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....69-74.
Min humidity........18-23 percent.
Wind (20 ft)........Light winds becoming northeast 5 to 10 mph.
Ridgetop wind.......Light winds becoming northeast 7 to 12 mph.
Mixing height.......5600 ft AGL.
Transport winds.....Northeast 6 to 11 mph.
Ventilation Index...Low (50) increasing to moderate (290) in the
                    afternoon.

TIME (PDT)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............49     59     65     67     67     65
RH..............45     33     26     23     23     27
20 ft wind......NE 4   NE 7   NE 7   NE 7   N 7    N 7
20 ft wind gust.5      10     11     12     12     12

.MONDAY NIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....40-45.
Max humidity........57-62 percent.
Wind (20 ft)........North winds 5 to 10 mph in the evening becoming
                    light after 11 PM.
Ridgetop wind.......North winds 7 to 12 mph in the evening becoming
                    light after 11 PM.
Mixing height.......800 ft AGL in the evening.
Transport winds.....North 7 to 12 mph in the evening and overnight
                    becoming light.
Ventilation Index...Moderate (230) decreasing to low (30)
                    overnight.

.TUESDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of lightning.3 percent.
Max temperature.....75-80.
Min humidity........20-25 percent.
Wind (20 ft)........Light winds becoming northeast 4 to 9 mph by
                    11 AM.
Ridgetop wind.......Light winds becoming northeast 7 to 12 mph by
                    11 AM.
Mixing height.......7300 ft AGL early in the morning.
Transport winds.....Light winds becoming east around 5 mph early in
                    the morning, then shifting to the south around
                    8 mph late in the morning shifting to the west
                    late in the afternoon.
Ventilation Index...Low (30) increasing to moderate (340) in the
                    afternoon.

$$
Forecaster...Day
Requested by...D. Miranda
Type of request...PRESCRIBED
.TAG 2614665.0/PDT
.DELDT 05/31/26
.FormatterVersion 2.0.0
.EMAIL davidwmiranda@gmail.com,christopher.duke@usda.gov,david.miranda2@usda.gov,nicholas.loewen@usda.gov