FNUS76 KPDT 232015
FWSPDT

Spot Forecast for Balloon Tree...USFS
National Weather Service Pendleton OR
115 PM PDT Sun Aug 23 2026

Forecast is based on forecast start time of 1400 PDT on August 23. 
***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...

West to northwest winds This afternoon and evening will become lighter 
with time and variable by the overnight hours. Winds remain light and 
variable through the day Monday. Minimum relative humidity around 30 
percent this afternoon will see improvement to near 55 percent overnight.
No rain or dry thunderstorms chances in the forecast.    


.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....74-77. 
Min humidity........28-33 percent. 
Wind (20 ft)........West winds 5 to 8 mph. 
Ridgetop wind.......West winds 5 to 8 mph.  
Mixing height.......4800 ft AGL. 
Transport winds.....West 13 to 14 mph. 
Ventilation Index...High (520). 

TIME (PDT)      2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0   
Temp............73  73  73  74  72  69  67  63  62  60  60  59  
RH..............34  32  32  32  32  35  40  42  43  45  44  46  
20 FT wind dir..W   W   W   W   NW  NW  NW  NW  NW  N   N   N   
20 FT wind spd..7   7   7   7   6   5   3   3   3   2   2   2   
20 FT wind gust.12  13  13  13  11  7   5   5   4               

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent). Patchy smoke late 
                    in the evening. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....52-55. 
Max humidity........50-55 percent. 
Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening 
                    becoming light. 
Ridgetop wind.......Northwest winds 10 to 16 mph early in the evening 
                    becoming 5 to 7 mph.  
Mixing height.......500 ft AGL in the evening and overnight. 
Transport winds.....Northwest 7 to 13 mph shifting to the northeast 
                    around 6 mph overnight. 
Ventilation Index...Low (150) decreasing to low (30) overnight. 

.MONDAY...

Sky/weather.........Mostly sunny (20-30 percent). Patchy smoke late 
                    in the afternoon. 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....85-88. 
Min humidity........14-19 percent. 
Wind (20 ft)........Light winds. 
Ridgetop wind.......Light winds.  
Mixing height.......6300 ft AGL early in the morning. 
Transport winds.....East around 6 mph shifting to the southwest 5 
                    to 7 mph late in the morning, then shifting to 
                    the northeast around 7 mph late in the 
                    afternoon. 
Ventilation Index...Low (40) increasing to moderate (240) in the 
                    afternoon. 

$$
Forecaster...Russell
Requested by...IC Weseman
Type of request...WILDFIRE
.TAG 2620299.1/PDT
.DELDT 08/23/26
.FormatterVersion 2.0.0
.EMAIL orbmc@firenet.gov