096 
FNUS76 KPDT 250815
FWSPDT

Spot Forecast for Priest Hole Rx...BLM
National Weather Service Pendleton OR
115 AM PDT Thu Sep 25 2025

Forecast is based on ignition time of 0700 PDT on September 25. 
***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 the
   transport wind multiplied by the mixing
   height in 100's of feet. Index categories
   are a generalized indicator only.***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...

Light east winds through around 8 am will turn out of the west later in the morning increasing
to around 12 mph with gusts up to 18-20 mph at times though 8 pm. Relative humidtity will drop 
to between 16 and 19 percent after 2 PM. 

.TODAY...

Sky/weather.........Sunny (5-15 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....84-87. 
Min humidity........13-18 percent. 
Wind (20 ft)........South winds 5 to 7 mph shifting to the 
                    northwest 5 to 12 mph late in the morning. 
Ridgetop wind....... 
Mixing height.......5800 ft AGL. 
Transport winds.....Light winds becoming west 5 to 9 mph early in 
                    the morning, then shifting to the northwest 
                    around 15 mph late in the afternoon. 
Ventilation Index...Poor (50) increasing to fair (490) in the 
                    afternoon. 

TIME (PDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM   
Chc of ltng (%).0      0      0      0      0      0      
Temp............56     65     74     81     83     80     
RH..............47     41     37     25     18     17     
20 ft wind......S 5    S 6    W 8    W 8    NW 12  NW 12  
20 ft wind gust.6             10     10     14     16     

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....45-48. 
Max humidity........47-52 percent. 
Wind (20 ft)........Northwest winds 5 to 12 mph shifting to the 
                    west 5 to 8 mph late in the evening, then 
                    becoming light early in the morning. 
Ridgetop wind....... 
Mixing height.......1300 ft AGL. 
Transport winds.....West 6 to 15 mph shifting to the southwest 
                    around 5 mph early in the morning. 
Ventilation Index...Fair (240) decreasing to poor (90) overnight. 

.FRIDAY...

Sky/weather.........Sunny (5-15 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....76-79. 
Min humidity........14-19 percent. 
Wind (20 ft)........Light winds becoming south 5 to 7 mph early in 
                    the morning, then shifting to the northwest 5 
                    to 8 mph late in the morning. 
Ridgetop wind....... 
Mixing height.......4500 ft AGL. 
Transport winds.....Southwest around 5 mph early in the morning 
                    becoming light, then becoming northwest 6 to 7 
                    mph late in the morning shifting to the north 
                    around 5 mph. 
Ventilation Index...Poor (50) increasing to fair (210) in the 
                    afternoon. 

$$
Forecaster...Russell
Requested by...RXB2
Type of request...PRESCRIBED
.TAG 2522426.1/PDT
.DELDT 09/25/25
.FormatterVersion 2.0.0
.EMAIL jluebbers@blm.gov