163 FNUS76 KPDT 291452 FWSPDT Spot Forecast for LAMBERTON...WA DNR National Weather Service Pendleton OR 752 AM PDT Mon Jun 29 2026 Forecast is based on forecast start time of 0800 PDT on June 29. ***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...Excellent overnight recoveries last night as northwest flow brought a mild start to the day. Partly cloudy skies will persist through the day as a 15% chance of a light shower will exist before 1100. High temperatures will be about 10 degrees warmer today, with afternoon humidities similar to Sunday's values. Breezy northwest winds will peak through the afternoon, briefly subsiding overnight before increasing after 0800 on Tuesday. .REST OF TODAY... Sky/weather.........Partly sunny (50-60 percent). Slight chance of rain showers early in the morning. CWR.................3 percent. Chance of lightning.1 percent. Max temperature.....Around 70. Min humidity........44-49 percent. Wind (20 ft)........Northwest winds 7 to 15 mph with gusts to around 24 mph. Ridgetop wind.......Northwest winds 10 to 18 mph with gusts to around 28 mph. Mixing height.......3300 ft AGL. Transport winds.....Northwest 20 to 24 mph. Ventilation Index...Moderate (320) increasing to high (500) in the afternoon. TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............51 52 55 58 60 63 65 66 66 66 65 64 RH..............73 72 67 60 57 52 49 48 47 48 49 51 20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW 20 FT wind spd..15 14 14 12 12 12 12 12 13 14 14 15 20 FT wind gust.24 23 20 18 18 18 18 18 20 21 22 23 .TONIGHT... Sky/weather.........Mostly cloudy (50-60 percent) then becoming partly cloudy (25-35 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....49-52. Max humidity........68-73 percent. Wind (20 ft)........Northwest winds 7 to 15 mph with gusts to around 23 mph, becoming 5 to 10 mph after midnight. Ridgetop wind.......Northwest winds 10 to 18 mph with gusts around 28 mph, becoming 6 to 12 mph after midnight. Mixing height.......500 ft AGL. Transport winds.....Northwest 17 to 22 mph. Ventilation Index...Moderate (330) decreasing to low (80) overnight. .TUESDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....66-69. Min humidity........36-41 percent. Wind (20 ft)........Northwest winds 5 to 14 mph with gusts to around 23 mph. Ridgetop wind.......Northwest winds 7 to 16 mph with gusts to around 26 mph. Mixing height.......5100 ft AGL. Transport winds.....Northwest 13 to 18 mph. Ventilation Index...Moderate (240) increasing to high (600) in the afternoon. $$ Forecaster...Callihan Requested by...ANDREW CLARK Type of request...WILDFIRE .TAG 2616429.0/PDT .DELDT 06/29/26 .FormatterVersion 2.0.0 .EMAIL wacwc@firenet.gov