FNUS76 KPDT 241352 FWSPDT Spot Forecast for High Buck RX...USFS National Weather Service Pendleton OR 652 AM PDT Fri Oct 24 2025 Forecast is based on ignition time of 0700 PDT on October 24. ***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...Dry conditions are expected today. Then, a weather system and cold front will bring precipitation to the are beginning to night into Saturday and continuing into Sunday. Rain will start Saturday with increasing snow chances Saturday into Sunday. A winter weather advisory is in effect above 4500 feet on Sunday. Winds will also increase and become gusty later today and continue through Saturday. .TODAY... Sky/weather.........Partly sunny (65-75 percent) then becoming cloudy (85-95 percent). CWR.................0 percent increasing to 10 percent late in the afternoon. Chance of lightning.2 percent. Max temperature.....52-55. Min humidity........34-39 percent. Wind (20 ft)........South winds 10 to 20 mph. Gusts up to 31 mph increasing to 33 mph late in the afternoon. Ridgetop wind.......South winds 20 to 30 mph with gusts to 35 mph in the afternoon. Mixing height.......1100 ft AGL late in the morning. Transport winds.....South 15 to 22 mph. Ventilation Index...Poor (30) increasing to poor (150) in the afternoon. TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............43 43 44 46 48 50 51 52 51 51 50 48 RH..............47 47 46 47 44 42 41 39 40 40 43 45 20 FT wind dir..S S S S S S S S S S S S 20 FT wind spd..15 14 14 14 20 20 20 20 20 20 12 12 20 FT wind gust.18 18 18 18 25 25 25 26 26 26 18 18 .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Rain through the night. Slight chance (20 percent) of snow overnight. CWR.................10 percent increasing to 83 percent. Chance of lightning.4 percent. Min temperature.....Around 40. Max humidity........95-100 percent. Wind (20 ft)........South winds 7 to 13 mph with gusts to around 24 mph shifting to the west 6 to 11 mph late in the evening, then shifting to the south 5 to 10 mph overnight. Ridgetop wind.......South to southwest winds 10 to 15 mph with gusts 20 to 25 mph. Mixing height.......Near Surface. Transport winds.....Southwest 14 to 16 mph decreasing to 9 to 16 mph late in the evening, then shifting to the south around 10 mph early in the morning. Ventilation Index...Poor (30). .SATURDAY... Sky/weather.........Cloudy (85-95 percent). Rain and slight chance of snow in the morning, then rain showers with possible snow (40 percent) in the afternoon. CWR.................83 percent increasing to 99 percent late in the morning, then decreasing to 32 percent late in the afternoon. Chance of lightning.15 percent. Max temperature.....41-44. Min humidity........67-72 percent. Wind (20 ft)........South winds 5 to 10 mph with gusts to around 18 mph shifting to the southwest 5 to 10 mph with gusts to around 18 mph late in the afternoon. Ridgetop wind.......South winds 10 to 20 mph with gusts to 25 mph. Mixing height.......2400 ft AGL late in the morning. Transport winds.....South 10 to 16 mph increasing to 22 to 24 mph late in the morning. Ventilation Index...Poor (30) increasing to fair (310) in the afternoon. $$ Forecaster...Nierenberg Requested by...Charles Vickery Type of request...PRESCRIBED .TAG 2524418.0/PDT .DELDT 10/24/25 .FormatterVersion 2.0.0 .EMAIL charles.vickery@usda.gov