247
FNUS76 KPDT 261246
FWSPDT

Spot Forecast for Wolf A RX...BLM
National Weather Service Pendleton OR
546 AM PDT Sat Sep 26 2026

Forecast is based on ignition time of 0700 PDT on September 26.
***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...South winds will prevail during the day today and
tomorrow, with southeast winds developing overnight. Afternoon
RHs are expected to be in the mid 20s today and tomorrow, with
good overnight recovery. Low level inversion is expected to
break around 10AM this morning and 11AM tomorrow, with inversion
redeveloping after 7PM.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 60.
Min humidity........25-30 percent.
Wind (20 ft)........Light winds becoming south 4 to 7 mph around
11AM.
Ridgetop wind.......Light winds becoming south 5 to 8 mph around
11AM.
Mixing height.......5400 ft AGL early in the morning.
Transport winds.....Northwest around 7 mph early in the morning
                    becoming light, then becoming southwest 7 to 8
                    mph late in the morning.
Ventilation Index...Low (40) increasing to moderate (280-310) in
                    the afternoon.

TIME (PDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............31  34  39  46  49  52  54  55  56  57  55  55
RH..............86  73  60  51  41  38  36  33  31  30  29  33
20 FT wind dir..NW  NW  E   SE  S   S   S   S   S   S   S   S
20 FT wind spd..4   4   3   3   4   5   5   5   5   5   5   4
20 FT wind gust.                    6   6   7   7   7   8

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....35-38.
Max humidity........56-61 percent.
Wind (20 ft)........South winds 4 to 7 mph shifting to the southeast
around 9PM.
Ridgetop wind.......South winds 5 to 8 mph shifting to the southeast
4 to 7 mph around 9PM.
Mixing height.......3100 ft AGL early in the evening.
Transport winds.....South around 7 mph shifting to the east 7 to 8
                    mph early in the evening.
Ventilation Index...Low (100) decreasing to low (30) overnight.

.SUNDAY...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....61-64.
Min humidity........27-32 percent.
Wind (20 ft)........Southeast winds 4 to 7 mph shifting to the south
around 11AM.
Ridgetop wind.......Southeast winds 4 to 7 mph shifting to the south
5 to 10 mph around 11AM.
Mixing height.......6400 ft AGL early in the morning.
Transport winds.....East around 7 mph shifting to the south 8 to 9
                    mph late in the morning, then becoming light
                    late in the afternoon.
Ventilation Index...Low (40) increasing to moderate (360-370) in
                    the afternoon.

$$
Forecaster...Lawhorn
Requested by...R. Draper
Type of request...PRESCRIBED
.TAG 2622481.1/PDT
.DELDT 09/26/26
.FormatterVersion 2.0.0
.EMAIL orbic@firenet.gov,natalie.kuntz@usda.gov,jeffrey.hussey@usda.gov,kevin.percy@usda.gov,Joshua.Cate@usda.gov