FNUS76 KPDT 150728
FWSPDT

Spot Forecast for Birdtrack 621...USFS
National Weather Service Pendleton OR
1228 AM PDT Thu Oct 15 2026

Forecast is based on ignition time of 0600 PDT on October 15. 
***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
through the forecast period. Winds will be generally from the
east through the period at 5-8 mph. Daytime relative humidity 
will be in the low to mid 20% with overnight recoveries above 
60%. Friday winds will shift to a more SE direction and increase
to near 5-10 mph with gusts to near 20 mph beginning after 1100.
Daytime humidity will be in the upper teens to low 20%. 

.TODAY...

Sky/weather.........Sunny (0-10 percent). Areas of frost early in 
                    the morning. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....Around 70. 
Min humidity........21-26 percent. 
Wind (20 ft)........Light winds becoming east 5 to 7 mph after 1500,
                    then becoming light east winds after 1700. 
Mixing height.......2100 ft AGL early in the morning. 
Transport winds.....Southeast 6 to 10 mph. 
Ventilation Index...Low (30) increasing to low (150) in the 
                    afternoon. 

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0   
Temp............35  34  36  41  49  54  59  65  66  67  68  66  
RH..............93  92  87  68  56  44  35  29  25  24  25  29  
20 FT wind dir..N   N   N   S   N   E   E   E   E   E   E   E   
20 FT wind spd..2   2   2   3   2   3   3   4   4   5   5   4   
20 FT wind gust.                4   5   6   6   7   8   8   6   

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....36-39. 
Max humidity........61-66 percent. 
Wind (20 ft)........Light east winds increasing 5 to 8 mph after 1800,
                    then 5 to 6 mph overnight then shifting to the 
                    southeast 5 to 8 after 0400. 
Mixing height.......600 ft AGL early in the evening. 
Transport winds.....Southeast 10 to 12 mph. 
Ventilation Index...Low (40-50). 

.FRIDAY...

Sky/weather.........Mostly sunny (20-30 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....70-73. 
Min humidity........17-22 percent. 
Wind (20 ft)........Southeast winds 5 to 10 mph. Gusts up to 21 mph 
                    after 1100.  
Mixing height.......2600 ft AGL early in the morning. 
Transport winds.....Southeast 10 to 13 mph. 
Ventilation Index...Low (60) increasing to moderate (260) in the 
                    afternoon. 

$$
Forecaster...Bennese
Requested by...Ryan Middleton
Type of request...PRESCRIBED
.TAG 2623810.0/PDT
.DELDT 10/15/26
.FormatterVersion 2.0.0
.EMAIL Ryan.middleton@usda.gov,Scott.gallagher@usda.gov