231
FNUS76 KPDT 300019
FWSPDT

Spot Forecast for Galena 40c/41...USFS
National Weather Service Pendleton OR
519 PM PDT Tue Sep 29 2026

Forecast is based on ignition time of 1832 PDT on September 29.
***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 will persist over the fire area
with overnight RHs above 90% and winds form the northwest
5-6 mph. Wednesday will see light winds to start becoming
W 5-8 mph after 1100. Daytime RHs will be in the upper 30%
to low 40%.

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....41-44.
Max humidity........94-99 percent.
Wind (20 ft)........Northwest winds 5 to 6 mph.
Mixing height.......2100 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...Low (110).

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Chc of ltng (%).0      0      0      0      0      0
Temp............67     54     51     46     45     43
RH..............45     60     70     80     88     94
20 ft wind......NW 6   NW 4   W 3    W 3    W 3    W 3
20 ft wind gust.10     6      5      5      5      5

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....71-74.
Min humidity........39-44 percent.
Wind (20 ft)........Light winds becoming west 5 to 8 mph after
                    1100.
Mixing height.......4000 ft AGL early in the morning.
Transport winds.....Northwest 7 to 12 mph.
Ventilation Index...Low (40) increasing to moderate (360) in the
                    afternoon.

$$
Forecaster...Bennese
Requested by...Brandon Borden
Type of request...PRESCRIBED
.TAG 2622342.9/PDT
.DELDT 09/29/26
.FormatterVersion 2.0.0
.EMAIL Brandon.Borden@usda.gov