FNUS76 KPDT 030028 FWSPDT Spot Forecast for Highway 240 tumbleweed RX...USFWS National Weather Service Pendleton OR 428 PM PST Mon Feb 2 2026 Forecast is based on ignition time of 0600 PST on February 03. ***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...No precipitation anticipated over the forecast period, with light winds in a more northern dominant direction. Ventilation will remain poor with mixing heights expected to stay less than 2000 feet. Relative humidities, however, remain high with minimums in the 60 and 70 percent range, with 'Excellent' recoveries overnight. Areas of patchy fog is expected to develop early Wednesday morning, but is forecasted to lift by the afternoon hours. .TUESDAY... Sky/weather.........Mostly cloudy (70-80 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....47-52. Min humidity........67-72 percent. Wind (20 ft)........Northwest winds 5 to 10 mph. Ridgetop wind....... Mixing height.......1700 ft AGL. Transport winds.....Northwest 7 to 12 mph. Ventilation Index...Poor (90). TIME (PST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Chc of ltng (%).0 0 0 0 0 0 Temp............35 36 41 45 48 49 RH..............94 92 86 78 72 69 20 ft wind......NW 7 NW 7 NW 7 NW 7 NW 7 NW 7 20 ft wind gust. 8 8 10 8 .TUESDAY NIGHT... Sky/weather.........Mostly cloudy (65-75 percent). Patchy fog overnight. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....34-39. Max humidity........90-95 percent. Wind (20 ft)........Northwest winds 3 to 8 mph. Ridgetop wind....... Mixing height.......700 ft AGL. Transport winds.....Northwest 5 to 10 mph. Ventilation Index...Poor (50). .WEDNESDAY... Sky/weather.........Partly sunny (60-70 percent). Patchy fog early in the morning. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....48-53. Min humidity........70-75 percent. Wind (20 ft)........North winds at 2 to 7 mph. Ridgetop wind....... Mixing height.......1500 ft AGL. Transport winds.....North winds at 4 to 9 mph. Ventilation Index...Poor (40). $$ Forecaster...Day Requested by...Thomas Boggs Type of request...PRESCRIBED .TAG 2601506.1/PDT .DELDT 02/02/26 .FormatterVersion 2.0.0 .EMAIL thomas_boggs@fws.gov