FNUS76 KPDT 162332
FWSPDT

Spot Forecast for Muddy Run RX...OR- WSA
National Weather Service Pendleton OR
432 PM PDT Fri Oct 16 2026

Forecast is based on ignition time of 1800 PDT on October 16. 
***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...Going into tonight with moderate to fair overnight recoveries
with improving minimum RH's going into Saturday. Min RH's will rise into the
upper 40 percent range, with excellent overnight recoveries going into Sunday
morning. Winds in general will be light with brief gusty winds possible during
the peak daytime heating hours. 

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....43-48. 
Max humidity........65-70 percent. 
Wind (20 ft)........West winds at 3 to 8 mph. 
Ridgetop wind.......West winds at 5 to 10 mph.  
Mixing height.......500 ft AGL. 
Transport winds.....Light winds becoming west 5 to 10 mph early in 
                    the evening. 
Ventilation Index...Low (30). 

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0   
Temp............69  65  61  56  54  53  51  50  50  49  48  47  
RH..............24  30  36  38  39  40  42  42  43  46  50  55  
20 FT wind dir..NW  W   W   W   SW  SW  SW  SW  SW  W   W   W   
20 FT wind spd..4   4   5   4   4   4   4   4   5   5   5   6   
20 FT wind gust.5   5                                           

.SATURDAY...

Sky/weather.........Mostly cloudy (65-75 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....65-70. 
Min humidity........45-50 percent. 
Wind (20 ft)........West winds 5 to 10 mph shifting to the northwest 
                    at 5 to 10 mph by 11 am.
Ridgetop wind.......West winds 7 to 12 mph shifting to the northwest 
                    at 7 to 12 mph by 11 am. 
Mixing height.......3200 ft AGL. 
Transport winds.....West 10 to 15 mph. 
Ventilation Index...Low (40) increasing to moderate (310) in the 
                    afternoon. 

.SATURDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Min temperature.....35-40. 
Max humidity........80-85 percent. 
Wind (20 ft)........Northwest winds 5 to 10 mph becoming light and 
                    variable by 11 pm.
Ridgetop wind.......Northwest winds 7 to 12 mph becoming light and 
                    variable by 11 pm. 
Mixing height.......500 ft AGL in the evening and overnight. 
Transport winds.....Northwest 10 to 15 mph becoming light. 
Ventilation Index...Low (90) decreasing to low (30) overnight. 

.SUNDAY...

Sky/weather.........Mostly sunny (30-40 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....60-65. 
Min humidity........37-42 percent. 
Wind (20 ft)........Light winds becoming east 5 to 10 mph by 11 am.
Ridgetop wind.......Light winds becoming east 7 to 12 mph by 11 am. 
Mixing height.......2600 ft AGL late in the morning. 
Transport winds.....Light winds becoming east 5 to 10 mph late in 
                    the morning, then shifting to the northeast 
                    5 to 10 mph late in the afternoon. 
Ventilation Index...Low (30) increasing to low (140) in theafternoon. 

$$
Forecaster...Day
Requested by...Lilian Libokmeto
Type of request...PRESCRIBED
.TAG 2623745.5/PDT
.DELDT 10/16/26
.FormatterVersion 2.0.0
.EMAIL joshua.sohappy@ctwsbnr.org