FNUS76 KPDT 160741
FWSPDT

Spot Forecast for Sumac 2A...US Forest Service
National Weather Service Pendleton OR
1241 AM PDT Fri Oct 16 2026

Forecast is based on ignition time of 0600 PDT on October 16. 
***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 over the fore through the period. 
Winds will be from the SE 5-7 mph shifting S after 1100 then 
SE after 1800 and increasing to 7-13 mph. Winds will remain 
elevated through the overnight period. Daytime RHs will be in 
the mid to upper teens with overnight recoveries between 30-40%. 
Saturday winds will remain from the SE decreasing to 5-8 mph then
shifting W after 1100. Daytime RHs will be in the low to mid 20%. 

.TODAY...

Sky/weather.........Sunny (15-25 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....Around 70. 
Min humidity........14-19 percent. 
Wind (20 ft)........Southeast winds 5 to 8 mph shifting to the 
                    south after 1100 through 1800. 
Ridgetop wind.......Southeast winds 7 to 10 mph shifting to the 
                    south after 1100. 
Mixing height.......2800 ft AGL early in the morning. 
Transport winds.....South 8 to 10 mph. 
Ventilation Index...Low (40) increasing to low (180) 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............42     41     54     64     68     66     
RH..............47     47     33     24     19     18     
20 ft wind......SE 8   SE 8   SE 7   S 7    S 7    S 7    
20 ft wind gust.10            10     11     11     12     

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming 
                    mostly cloudy (50-60 percent) then becoming 
                    partly cloudy (35-45 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....Around 50. 
Max humidity........36-41 percent. 
Wind (20 ft)........Southeast winds 7 to 13 mph after 1800 through 
                    0800. 
Ridgetop wind.......Southeast winds 9 to 15 mph. 
Mixing height.......700 ft AGL early in the evening then 500 ft AGL 
                    overnight. 
Transport winds.....South 10 to 14 mph. 
Ventilation Index...Low (50-60). 

.SATURDAY...

Sky/weather.........Mostly sunny (30-40 percent) then becoming 
                    mostly cloudy (70-80 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....63-66. 
Min humidity........22-27 percent. 
Wind (20 ft)........Southeast winds 5 to 8 mph shifting to the west 
                    after 1100. 
Ridgetop wind.......Southeast winds 7 to 10 mph shifting to the west 
                    after 1100.  
Mixing height.......4100 ft AGL early in the morning. 
Transport winds.....Southwest 10 to 12 mph shifting to the west 12 
                    to 17 mph late in the morning. 
Ventilation Index...Low (50) increasing to moderate (480) in the 
                    afternoon. 

$$
Forecaster...Bennese
Requested by...Ellyse Campbell
Type of request...PRESCRIBED
.TAG 2623741.2/PDT
.DELDT 10/16/26
.FormatterVersion 2.0.0
.EMAIL todd.pederson@usda.gov,eaglecapwfm@gmail.com,jeffrey.brink@usda.gov,andrew.c.hayes@usda.gov,courtney.fent@usda.gov