FNUS76 KPDT 191444 FWSPDT Spot Forecast for Limber Jim 605...USFS National Weather Service Pendleton OR 744 AM PDT Thu Mar 19 2026 Forecast is based on ignition time of 0700 PDT on March 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... Partly sunny conditions and warm temperatures and dry air this afternoon will yield lower relative humidity as low as 20 percent. .REST OF TODAY... Sky/weather.........Partly sunny (50-60 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 70. Min humidity........4-9 percent. Wind (20 ft)........Light winds becoming southwest 5 to 7 mph late in the morning, then becoming light late in the afternoon. Ridgetop wind.......Southwest 10 to 14 mph. Mixing height.......6400 ft AGL. Transport winds.....Southwest 13 to 15 mph shifting to the west 15 to 24 mph late in the morning. Ventilation Index...Poor (160) increasing to excellent (1050) in the afternoon. TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM Chc of ltng (%).0 0 0 0 0 0 Temp............47 51 60 66 67 67 RH..............38 37 26 24 20 20 20 ft wind......S 4 SW 4 SW 5 SW 5 W 6 W 4 20 ft wind gust.5 6 10 10 10 8 .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent) then becoming partly cloudy (25-35 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....50-53. Max humidity........38-43 percent. Wind (20 ft)........Light winds becoming south around 5 mph. Ridgetop wind.......Light winds becoming south around 5 mph. Mixing height.......1000 ft AGL. Transport winds.....Southwest 7 to 15 mph. Ventilation Index...Poor (200) decreasing to poor (100) overnight. .FRIDAY... Sky/weather.........Mostly sunny (40-50 percent). CWR.................0 percent. Chance of lightning.1 percent. Max temperature.....71-74. Min humidity........25-30 percent. Wind (20 ft)........South winds 5 to 7 mph early in the morning becoming light, then becoming southwest 5 to 7 mph late in the afternoon. Ridgetop wind.......Southwest around 10-15 mph Mixing height.......7800 ft AGL. Transport winds.....Southwest 15 to 24 mph increasing to 20 to 26 mph late in the afternoon. Ventilation Index...Poor (180) increasing to excellent (1050) in the afternoon. $$ Forecaster...Russell Requested by...Bryton Hills Type of request...PRESCRIBED .TAG 2606385.0/PDT .DELDT 03/19/26 .FormatterVersion 2.0.0 .EMAIL bryton.hills@usda.gov