FNUS76 KPDT 071149 FWSPDT Spot Forecast for Marshall/Devine...U.S Forest Service National Weather Service Pendleton OR 449 AM PDT Thu May 7 2026 Forecast is based on ignition time of 0700 PDT on May 07. ***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...Warm, dry conditions with low afternoon RH are forecast today and Friday. Moderate RH recovery is anticipated overnight. Winds will be mostly diurnally and terrain-driven, gusty in the afternoon. .TODAY... Sky/weather.........Partly cloudy (15-45 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....70-73. Min humidity........14-19 percent. Wind (20 ft)........Northwest winds 4-8 mph with gusts of 10-15 mph in the morning, increasing to 8-12 mph with gusts of 15-20 mph in the afternoon. Ridgetop wind.......Northwest winds 5-9 mph with gusts of 10-15 mph in the morning, increasing to 10-14 mph with gusts of 15-25 mph in the afternoon. Mixing height.......Increasing to 5500-6000 ft AGL by late morning. Transport winds.....Northwest 8-12 mph in the morning, increasing to 12-17 mph in the afternoon. Ventilation Index...Low (130) increasing to very high (960) 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............46 49 56 61 63 65 66 68 70 70 70 71 RH..............61 52 41 33 27 25 23 21 19 17 17 17 20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW 20 FT wind spd..4 8 8 9 10 11 12 11 11 11 11 10 20 FT wind gust. 14 14 18 18 18 18 18 18 18 18 .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....40-43. Max humidity........45-50 percent. Wind (20 ft)........Northwest winds 7-10 mph with gusts of 15-20 mph early evening, shifting to the north 5-8 mph late evening, then shifting to the northwest to west 2-5 mph overnight. Ridgetop wind.......Northwest winds 8-12 mph with gusts of 15-25 mph early evening, shifting to the north 6-9 mph late evening, then shifting to the northwest to west 2-5 mph overnight. Mixing height.......Decreasing to 300-600 ft AGL overnight. Transport winds.....Northwest 12-17 mph early evening, shifting to the north 5-8 mph late evening, then becoming west to northwest 5-8 mph overnight. Ventilation Index...Decreasing to low (30) overnight. .FRIDAY... Sky/weather.........Partly to mostly cloudy (35-70 percent) then becoming sunny (0-10 percent) late afternoon. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....68-71. Min humidity........14-19 percent. Wind (20 ft)........West to northwest winds 4-8 mph winds with gusts of 12-17 mph in the morning, increasing to 8-12 mph with gusts of 15-25 mph afternoon. Ridgetop wind.......West to northwest winds 5-9 mph winds with gusts of 12-17 mphin the morning, increasing to 10-14 mph with gusts of 15-25 mph afternoon. Mixing height.......Increasing to 7000-7500 ft AGL by late morning. Transport winds.....West to northwest 8-12 mph in the morning, increasing to 15-20 mph in the afternoon. Ventilation Index...Low (130) increasing to very high (1050) in the afternoon. $$ Forecaster...Plunkett Requested by...Josh Cate Type of request...PRESCRIBED .TAG 2612856.1/PDT .DELDT 05/07/26 .FormatterVersion 2.0.0 .EMAIL kevin.percy@usda.gov,joshua.Cate@usda.gov,jeffrey.hussey@usda.gov,orbic@firenet.gov