FNUS76 KPDT 071056 FWSPDT Spot Forecast for Little Dean 18...USFS National Weather Service Pendleton OR 356 AM PDT Thu May 7 2026 Forecast is based on ignition time of 0600 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. Poor to moderate RH recovery is anticipated overnight. Winds will be mostly diurnally and terrain-driven, gusty in the afternoon. .TODAY... Sky/weather.........Mostly sunny to partly cloudy (10-50 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....68-71. Min humidity........15-20 percent. Wind (20 ft)........Northwest winds 5-8 mph with gusts of 10-15 mph in the morning, shifting to the north 8-12 mph with gusts of 15-20 mph mid-afternoon. Ridgetop wind.......Northwest winds 7-10 mph with gusts of 15-20 mph in the morning, shifting to the north 10-14 mph with gusts of 20-25 mph mid-afternoon. Mixing height.......Increasing to 6000-6500 ft AGL by late morning. Transport winds.....West-northwest 8-12 mph. Ventilation Index...Low (130) increasing to high (680) in the afternoon. TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Chc of ltng (%).0 0 0 0 0 0 Temp............49 50 56 64 69 70 RH..............56 51 36 26 20 18 20 ft wind......NW 8 NW 8 NW 8 NW 8 N 8 N 10 20 ft wind gust. 14 14 16 16 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....45-48. Max humidity........40-45 percent. Wind (20 ft)........North to northeast winds 6-10 mph with gusts of 10-15 mph in the evening, becoming drainage winds 1-5 mph overnight. Ridgetop wind.......North to northeast winds 8-12 mph with gusts of 15-20 mph in the evening, becoming northwest to west winds 2-6 mph overnight. Mixing height.......Decreasing to 300-600 ft AGL overnight. Transport winds.....North 5-7 mph in the evening, becoming northwest to west 5-8 mph overnight. Ventilation Index...Decreasing to low (30) overnight. .FRIDAY... Sky/weather.........Mostly cloudy (50-70 percent) then becoming sunny (0-10 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....68-71. Min humidity........15-20 percent. Wind (20 ft)........West to northwest winds 4-8 mph in the morning with gusts of 10-15 mph by late morning, increasing to 8-12 mph with gusts of 15-25 mph in the afternoon. Ridgetop wind.......West to northwest winds 6-10 mph in the morning with gusts of 12-17 mph by late morning, increasing to 10-15 mph with gusts of 15-25 mph in the afternoon. Mixing height.......Increasing to 6000-6500 ft AGL by late morning. Transport winds.....West 8-12 mph in the morning, increasing to 12-17 mph in the afternoon. Ventilation Index...Low (120) increasing to very high (930) in theafternoon. $$ Forecaster...Plunkett Requested by...Brett Johnson Type of request...PRESCRIBED .TAG 2612699.2/PDT .DELDT 05/07/26 .FormatterVersion 2.0.0 .EMAIL shane.dillavou@usda.gov,brett.johnson@usda.gov,jeffrey.duke@usda.gov