086 
FNUS76 KPDT 192353
FWSPDT

Spot Forecast for Trail Creek...Central Washington Interagency Communication
National Weather Service Pendleton OR
453 PM PDT Thu Jun 19 2025

Forecast is based on forecast start time of 1700 PDT on June 19. 
***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...Increasing clouds over the fire site this 
afternoon and evening. Some clearing is expected Friday morning 
before clouds associated with an incoming front move over the 
incident. A sharp increase in westerly winds is expected to 
develop ahead of the front starting at around 0500 with speeds 
ranging on average 15-20 mph, with occasional gusts up to 30 mph 
possible. A chance of showers is possible after 1700 but the best
chances for showers with wetting rains likely will not reach the 
incident until Saturday.


.REST OF TODAY...

Sky/weather.........Mostly cloudy (60-70 percent). 
CWR.................0 percent. 
Chance of lightning.0 percent. 
Max temperature.....70-73. 
Min humidity........24-29 percent. 
Wind (20 ft)........Southwest winds 6 to 12 mph. 
Ridgetop wind.......West-Southwest winds 8 to 16 mph.  
Mixing height.......6200 ft AGL. 
Transport winds.....West around 12 mph. 
Ventilation Index...Fair (340). 

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). 
CWR.................0 percent. 
Chance of lightning.1 percent. 
Min temperature.....49-52. 
Max humidity........57-62 percent. 
Wind (20 ft)........West-Northwest winds 7 to 13 mph.
Ridgetop wind.......West-Northwest winds 10 to 15 mph.  
Mixing height.......600 ft AGL. 
Transport winds.....Northwest around 16 mph. 
Ventilation Index...Fair (350) decreasing to poor (70) overnight. 

.FRIDAY...

Sky/weather.........Partly cloudy (40-50 percent). Chance of rain 
                    showers in the afternoon (50-60 percent). 
CWR.................0 percent. 
Chance of lightning.7 percent. 
Max temperature.....61-64. 
Min humidity........38-43 percent. 
Wind (20 ft)........Northwest winds 10 to 20 mph. Gusts could exceed 
                    25 mph at times in the afternoon. 
Ridgetop wind.......Northwest winds 15 to 25 mph.  
Mixing height.......5100 ft AGL. 
Transport winds.....Northwest around 25 mph. 
Ventilation Index...Fair (230) increasing to excellent (940) in the 
                    afternoon. 

$$
Forecaster...Evans
Requested by...Julie Wilson
Type of request...WILDFIRE
.TAG 2516280.0/PDT
.DELDT 06/19/25
.FormatterVersion 2.0.0
.EMAIL wacwc@firenet.gov