759 FNUS76 KPDT 071155 FWSPDT Spot Forecast for Labor Mtn...USFS National Weather Service Pendleton OR 455 AM PDT Sun Sep 7 2025 Forecast is based on forecast start time of 0600 PDT on September 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 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...Active weather remains in the forecast near the fire as the chance for afternoon showers and thunderstorms will be present today and Monday. Rainfall amounts from showers are expected to be limited with slim CWR values today and only slightly better values Monday afternoon. Overnight RH recoveries will remain moderate. .TODAY... Sky/weather.........Mostly sunny (40-50 percent). Areas of smoke through the day. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. CWR.................3 percent. Chance of lightning.26 percent. Max temperature.....70-73. Min humidity........53-58 percent. Wind (20 ft)........Light winds becoming west 5 to 8 mph early in the morning. Gusty and erratic winds expected near thunderstorms late in the morning. Gusty and erratic winds expected near thunderstorms late in the afternoon. Ridgetop wind.......Light winds becoming west-northwest 7 to 10 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......4100 ft AGL. Transport winds.....West 6 to 10 mph. Ventilation Index...Poor (40) increasing to fair (220) in the afternoon. TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Chc of ltng (%).0 0 10 10 10 20 20 20 30 30 30 10 Temp............59 59 59 60 62 65 68 69 70 70 68 68 RH..............70 74 75 77 73 66 64 60 57 56 57 60 20 FT wind dir..NW NW W W W SW SW SW W W W W 20 FT wind spd..4 4 5 5 5 7 7 7 8 8 8 7 20 FT wind gust.6 6 8 8 8 10 10 10 10 10 10 11 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (55-65 percent). Slight chance of rain showers early in the evening. Areas of smoke through the night. CWR.................0 percent. Chance of lightning.12 percent. Min temperature.....53-56. Max humidity........68-73 percent. Wind (20 ft)........Northwest winds 5 to 8 mph becoming light. Ridgetop wind.......Northwest winds 7 to 10 mph becoming light overnight. Mixing height.......700 ft AGL. Transport winds.....Northwest 7 to 10 mph. Ventilation Index...Poor (90) decreasing to poor (40) overnight. .MONDAY... Sky/weather.........Partly sunny (45-55 percent). Areas of smoke through the day. Slight chance of rain showers late in the morning. Chance of rain showers and slight chance of thunderstorms late in the afternoon. CWR.................0 percent increasing to 29 percent late in the afternoon. Chance of lightning.21 percent. Max temperature.....69-72. Min humidity........42-47 percent. Wind (20 ft)........Light winds becoming southwest 5 to 7 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Ridgetop wind.......Northwest winds 5 to 7 mph. Mixing height.......5700 ft AGL. Transport winds.....Northwest 5 to 7 mph in the morning, then becoming southwest around 5 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Ventilation Index...Poor (40) increasing to poor (140) in the afternoon. $$ Forecaster...NWS Seattle Requested by...Kenton Bass Type of request...WILDFIRE .TAG 2521443.1/PDT .DELDT 09/07/25 .FormatterVersion 2.0.0 .EMAIL kenton.bass@usda.gov,christian.pittaro@usda.gov