636 
FNUS76 KPDT 250431
FWSPDT

Spot Forecast for PIPE CREEK...Usfs
National Weather Service Pendleton OR
931 PM PDT Sun Aug 24 2025

Forecast is based on forecast start time of 0600 PDT on August 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...Hot and dry conditions will continue through at
least Tuesday. Winds will remain light and terrain-driven, with
poor RH recoveries expected. A weak system will move into the
forecast area Tuesday afternoon, providing for a low-end chance of
showers and thunderstorms, however the threat as of now is
marginal at best (around 15% chance). 

.MONDAY...

Sky/weather.........Partly sunny (40-50 percent). 
CWR.................0 percent. 
Chance of lightning.4 percent. 
Max temperature.....92-95. 
Min humidity........14-19 percent. 
Wind (20 ft)........Light (around 5 mph) Downslope winds early, 
                    becoming Upslope by the early afternoon. 
Ridgetop wind.......Southeast winds 5 to 10 mph.  
Mixing height.......9000 ft AGL. 
Transport winds.....Southeast 5 to 8 mph shifting to the Northwest 
                    by the afternoon. 
Ventilation Index...Poor (40) increasing to fair (290) 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............64  65  72  78  81  86  89  91  92  92  92  91  
RH..............39  38  34  29  26  23  23  20  19  19  19  20  
20 FT wind dir..E   E   NE  NE  NE  N   N   N   SW  SW  SW  W   
20 FT wind spd..4   4   4   4   4   4   4   4   4   4   4   4   
20 FT wind gust.5   5   5   5   5   7   7   7   8   8   8   6   

.MONDAY NIGHT...

Sky/weather.........Partly cloudy (30-40 percent). 
CWR.................0 percent. 
Chance of lightning.4 percent. 
Min temperature.....64-67. 
Max humidity........43-48 percent. 
Wind (20 ft)........Light (around 5 mph) Upslope winds early in 
                    the evening, becoming Downslope overnight. 
Ridgetop wind.......Southeast winds 5 to 10 mph early in the 
                    evening, gradually shifting to the North-
                    Northwest overnight.  
Mixing height.......500 ft AGL. 
Transport winds.....Northwest around 7 mph.
Ventilation Index...Poor (120) decreasing to poor (30) overnight. 

.TUESDAY...

Sky/weather.........Mostly sunny (35-45 percent). Slight chance of 
                    showers and thunderstorms late in the 
                    afternoon (15-20 percent). 
CWR.................3 percent. 
Chance of lightning.15 percent. 
Max temperature.....91-94. 
Min humidity........16-21 percent. 
Wind (20 ft)........Light (around 5 mph) Downslope winds early, 
                    becoming Upslope by the early afternoon. Gusty 
                    and erratic winds expected near thunderstorms 
                    late in the afternoon. 
Ridgetop wind.......East winds 5 to 10 mph.  
Mixing height.......10400 ft AGL. 
Transport winds.....Southeast around 5 mph early in the morning, 
                    shifting to the Northwest in the afternoon. 
Ventilation Index...Poor (30) increasing to fair (280) in the 
                    afternoon. 

$$
Forecaster...Evans
Requested by...Christian Pittaro
Type of request...WILDFIRE
.TAG 2520526.1/PDT
.DELDT 08/25/25
.FormatterVersion 2.0.0
.EMAIL Christian.Pittaro@usdq.gov