035
FNUS76 KPDT 312130
FWSPDT

Spot Forecast for Ruggs Fire...OSFM
National Weather Service Pendleton OR
230 PM PDT Mon Aug 31 2026

Forecast is based on forecast start time of 1500 PDT on August 31.
***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...Elevated fire weather conditions with dry air and
breezy winds with gusts up to 20 to 30 mph through the rest of
today and re-developing tomorrow morning. Overnight recoveries
will be fair to moderate with values between 35 to 45 percent
with lighter winds between the evening and overnight hours tonight.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....80-85.
Min humidity........17-22 percent.
Wind (20 ft)........Northeast winds 10 to 15 mph with gusts up to
                    20 to 30 mph.
Ridgetop wind.......Northeast winds 15 to 20 mph with gusts up to
                    30 to 35 mph.
Mixing height.......3200 ft AGL.
Transport winds.....Northeast 10 to 20 mph.
Ventilation Index...Moderate (350-370).

TIME (PDT)      3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............80  80  82  80  78  73  67  65  64  63  62  61
RH..............22  22  21  22  22  26  29  31  33  33  34  35
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  SE  SW  SW  S   SW
20 FT wind spd..14  15  15  13  10  7   6   4   3   2   2   3
20 FT wind gust.21  22  21  18  14  10  7   5   4

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....54-59.
Max humidity........37-42 percent.
Wind (20 ft)........Northeast winds 10 to 15 mph with gusts up to
                    20 to 25 mph. Winds will decrease to 7 to 12 mph
                    by 8 PM. Winds will become light and variable by
                    11 PM.
Ridgetop wind.......Northeast winds 15 to 20 mph with gusts up to
                    25 to 30 mph. Winds will decrease to 10 to 15 mph
                    by 8 PM. Winds will become light and variable by
                    11 PM.
Mixing height.......500 ft AGL.
Transport winds.....Northeast 10 to 15 mph decreasing to 5 to 10
                    mph late in the evening, then shifting to the
                    west 5 to 10 mph overnight.
Ventilation Index...Low (140-150) decreasing to low (30) overnight.

.TUESDAY...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................0 percent.
Chance of lightning.4 percent.
Max temperature.....77-82.
Min humidity........25-30 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the west
                    5 to 10 mph by 10 AM. Winds shift to the northwest
                    at 10 to 15 mph with gusts up to 20 to 30 mph by 2 PM.
Ridgetop wind.......Southwest winds 7 to 12 mph shifting to the west
                    7 to 12 mph by 10 AM. Winds shift to the northwest
                    at 15 to 20 mph with gusts up to 25 to 35 mph by 2 PM.
Mixing height.......5200 ft AGL.
Transport winds.....West 10 to 20 mph.
Ventilation Index...Low (80) increasing to moderate (470-500) in
                    the afternoon.

$$
Forecaster...Day
Requested by...Michial Renault
Type of request...WILDFIRE
.TAG 2620996.0/PDT
.DELDT 08/31/26
.FormatterVersion 2.0.0
.EMAIL michial.renault@osfm.oregon.gov