FNUS76 KPDT 161822
FWSPDT

Spot Forecast for Pine Mountain RX Unit 3C/4B...USFS
National Weather Service Pendleton OR
1122 AM PDT Fri Oct 16 2026

Forecast is based on ignition time of 0800 PDT on October 19. 
***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...

An active weather pattern will bring clouds and rain showers 
to the mountain areas across the region early next week. 
Central Oregon is a more rain shadowed area, and wetting rains 
would not be expected, and the current forecast is dry at 
this time for the burn locations.    

.MONDAY...

Sky/weather.........Mostly cloudy (70-80 percent). 
CWR.................0 percent early in the morning. 
Max temperature.....Around 50. 
Min humidity........43-48 percent. 
Wind (20 ft)........South winds 5 to 7 mph early in the morning 
                    then becoming southwest 5 to 7 mph late in the afternoon.  
Ridgetop wind.......South winds 7 to 15 mph then becoming west in the afternoon.  
Mixing height.......3700 ft AGL late in the morning. 
Transport winds.....South 5 to 12 mph early in the morning. 
Ventilation Index...Low (30) increasing to moderate (250) in the 
                    afternoon. 

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM   
Temp............39     41     44     47     45     42     
RH..............65     61     54     48     52     62     
20 ft wind......S 5    S 5    S 4    SW 6   SW 6   W 7    
20 ft wind gust.6      6      7      12     12     12     

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy (60-70 percent). 
CWR.................MISSING. 
Min temperature.....34-37. 
Max humidity........76-81 percent. 
Wind (20 ft)........West winds 5 to 8 mph shifting to the northwest 
                    5 to 10 mph early in the evening. 
Ridgetop wind.......West winds 5 to 8 mph shifting to the northwest 
                    5 to 10 mph early in the evening.  
Mixing height.......500 FT AGL. 
Transport winds.....Northwest around 10 mph. 
Ventilation Index...Poor (50).  

.TUESDAY...

Sky/weather.........Mostly sunny (40-50 percent). 
CWR.................MISSING. 
Max temperature.....43-46. 
Min humidity........53-58 percent. 
Wind (20 ft)........Northwest winds 5 to 8 mph shifting to the 
                    north late in the morning. 
Ridgetop wind.......Northwest winds 7 to 12 mph shifting to the 
                    north late in the morning. 

Mixing height.......3700 ft AGL late in the morning. 
Transport winds.....West around 10 mph. 
Ventilation Index...Fair (370). 

$$
Forecaster...Russell
Requested by...S. Carroll
Type of request...PRESCRIBED
.TAG 2623902.0/PDT
.DELDT 10/16/26
.FormatterVersion 2.0.0
.EMAIL sean.carroll@usda.gov