081 FNUS76 KPDT 192207 FWSPDT Spot Forecast for TRAIL CREEK FIRE...KVFR National Weather Service Pendleton OR 307 PM PDT Thu Jun 19 2025 Forecast is based on forecast start time of 1500 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 staring 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.........Partly sunny (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 5 to 10 mph. Ridgetop wind....... Mixing height.......6200 ft AGL. Transport winds.....West around 9 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 winds 7 to 14 mph. Ridgetop wind....... Mixing height.......600 ft AGL. Transport winds.....Northwest around 16 mph. Ventilation Index...Fair (350) decreasing to poor (70) overnight. .FRIDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of rain showers in the afternoon. CWR.................0 percent. Chance of lightning.7 percent. Max temperature.....61-64. Min humidity........38-43 percent. Wind (20 ft)........West winds 10 to 22 mph. Ridgetop wind....... Mixing height.......5100 ft AGL. Transport winds.....West around 22 mph. Ventilation Index...Fair (230) increasing to excellent (940) in the afternoon. $$ Forecaster...NWS Seattle Requested by...2001 Type of request...WILDFIRE .TAG 2516271.0/PDT .DELDT 06/19/25 .FormatterVersion 2.0.0 .EMAIL KITTCOM@KITTCOM.GOV