FNUS76 KPDT 181535 FWSPDT Spot Forecast for Lower Dry Creek Fire...OSFM National Weather Service Pendleton OR 835 AM PDT Sat Jul 18 2026 Forecast is based on forecast start time of 0800 PDT on July 18. ***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. ...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING... .DISCUSSION...Hot, dry and breezy conditions will persist over the fire area through the tonight. Winds will be from the SW to start shifting to the W after 11 AM at 6-12 mph. Overnight W winds will persist through 3 AM before shifting S 5-8 mph then shifting again at 11 AM to the N. Daytime humidity will be in the mid teens today and tomorrow with moderate overnight recoveries. Temperatures will be in the 90s. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Patchy smoke late in the afternoon. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....90-93. Min humidity........16-21 percent. Wind (20 ft)........Southwest winds 6 to 12 mph shifting to the west after 11 AM. Ridgetop wind.......Southwest winds 8 to 14 mph shifting to the west after 11 AM. Mixing height.......5100 ft AGL. Transport winds.....West 10 to 12 mph. Ventilation Index...Low (140-150) increasing to moderate (390-430) in the afternoon. TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............69 74 77 80 82 85 88 90 90 91 91 89 RH..............45 42 39 35 32 29 26 24 22 20 19 19 20 FT wind dir..SW SW SW W W W W W W W W W 20 FT wind spd..11 12 11 11 11 11 11 11 11 12 12 12 20 FT wind gust.13 13 13 13 13 14 14 16 16 16 14 14 .TONIGHT... Sky/weather.........Clear (0-10 percent). Patchy smoke in the evening and overnight. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....Around 60. Max humidity........53-58 percent. Wind (20 ft)........West winds 7 to 12 mph shifting to the south 5 to 8 mph after 3 am. Ridgetop wind.......West winds 9 to 14 mph shifting to the south 7 to 10 mph after 3 am. Mixing height.......500 ft AGL. Transport winds.....Southwest 9 to 12 mph shifting to the south 8 to 9 mph overnight. Ventilation Index...Moderate (210) decreasing to low (40) overnight. .SUNDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....90-93. Min humidity........16-21 percent. Wind (20 ft)........South winds 5 to 8 mph shifting to the north after 11 AM. Ridgetop wind.......South winds 7 to 10 mph shifting to the north after 11 AM. Mixing height.......4700 ft AGL. Transport winds.....South around 8 mph shifting to the northwest around 7 mph late in the afternoon. Ventilation Index...Low (80) increasing to moderate (300) in the afternoon. $$ Forecaster...Bennese Requested by...Adam Redmond Type of request...WILDFIRE .TAG 2617665.0/PDT .DELDT 07/18/26 .FormatterVersion 2.0.0 .EMAIL adam.redmond@portlandoregon.gov