880 FNUS76 KPDT 282351 FWSPDT Spot Forecast for Lamberton...CWICC National Weather Service Pendleton OR 451 PM PDT Sun Jun 28 2026 Forecast is based on forecast start time of 1700 PDT on June 28. ***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...Breezy to windy west to northwest winds are expected to continue this afternoon, with windy to very windy conditions along ridgetops. Winds are forecast to slacken to breezy northwest to north winds overnight. Good RH recovery is forecast. Winds will increase again on Monday out of the northwest, becoming breezy to windy by afternoon and windy to very windy along ridgetops. There is a slight chance (15 percent) of light rain overnight into Monday morning. .REST OF TODAY... Sky/weather.........Mostly sunny (10-30 percent) becoming partly cloudy (40-60 percent) late afternoon. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....61-64. Min humidity........45-50 percent. Wind (20 ft)........West to northwest winds 15-20 mph with gusts of 25-35 mph. Ridgetop wind.......West to northwest winds 25-35 mph with gusts of 40-50 mph. Mixing height.......3000-3500 ft AGL this afternoon. Transport winds.....Northwest 25-30 mph. Ventilation Index...High (630). TIME (PDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............62 61 59 58 55 54 54 54 54 53 53 52 RH..............47 48 51 54 57 59 59 61 61 60 61 62 20 FT wind dir..NW NW NW NW N N N N N N N N 20 FT wind spd..18 19 17 16 14 13 12 12 11 11 10 10 20 FT wind gust.30 30 30 30 25 25 25 25 25 25 25 25 .TONIGHT... Sky/weather.........Mostly cloudy (60-85 percent) Slight chance (15 percent) of rain after midnight. CWR.................1 percent. Chance of lightning.1 percent. Min temperature.....47-50. Max humidity........68-73 percent. Wind (20 ft)........Northwest to north winds 15-20 mph with gusts of 25-35 mph in the evening, becoming 8-12 mph with gusts of 20-30 mph overnight. Ridgetop wind.......Northwest to north winds 20-30 mph with gusts of 35-45 mph in the evening, becoming 15-25 mph with gusts of 25-35 mph overnight. Mixing height.......Decreasing to 700-1000 ft AGL overnight. Transport winds.....Northwest 20-25 mph. Ventilation Index...High (630) decreasing to low (180) overnight. .MONDAY... Sky/weather.........Mostly cloudy (70-95 percent) in the morning, becoming partly cloudy (35-50 percent) in the afternoon. Slight chance (15 percent) of rain in the morning. CWR.................1 percent. Chance of lightning.1 percent. Max temperature.....65-68. Min humidity........48-53 percent. Wind (20 ft)........Northwest to north winds 8-12 mph with gusts of 15-25 mph in the morning, becoming northwest winds 15-20 mph with gusts of 25-35 mph by afternoon. Ridgetop wind.......Northwest to north winds 15-25 mph with gusts of 25-35 mph in the morning, becoming northwest winds 25-35 mph with gusts of 40-50 mph in the afternoon. Mixing height.......Increasing to 2500-3000 ft AGL by late morning. Transport winds.....Northwest 18-23 mph. Ventilation Index...Moderate (310) increasing to moderate (470) in the afternoon. $$ Forecaster...Plunkett Requested by...Julie Wilson Type of request...WILDFIRE .TAG 2616388.0/PDT .DELDT 06/28/26 .FormatterVersion 2.0.0 .EMAIL wacwc@firenet.gov