FNUS76 KPDT 040518 FWSPDT Spot Forecast for TROUT CREEK...USFS National Weather Service Pendleton OR 1018 PM PDT Sun May 3 2026 Forecast is based on forecast start time of 2200 PDT on May 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 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...Light winds will shift to the north and increase in the afternoon Monday. Winds will shift to the west then become downslope overnight. Winds are expected to be weaker Tuesday, but gusts are expected to develop in the afternoon. RHs will trend up the next two days, but are expected to be in the lower to mid 20s tomorrow and mid to upper 20s Tuesday. Overnight recovery will be good. Morning inversions will break around 9AM. There is a less than 10% of isolated showers/thunderstorms over crest to the west Monday. .REST OF TONIGHT... Sky/weather.........Mostly clear (5-15 percent). CWR.................0 percent. Chance of lightning.1 percent. Min temperature.....Around 50. Max humidity........51-56 percent. Wind (20 ft)........Light downslope winds. Ridgetop wind.......West winds 3 to 6 mph. Mixing height.......900 ft AGL. Transport winds.....North 7 to 10 mph shifting to the northwest around 8 mph overnight. Ventilation Index...Low (60) overnight. TIME (PDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............58 56 53 52 51 49 49 48 47 49 54 59 RH..............46 50 51 52 55 54 57 55 54 54 51 45 20 FT wind dir..NW W W W W W W W W W W W 20 FT wind spd..4 3 3 3 3 3 3 3 3 3 3 3 20 FT wind gust.6 6 6 .MONDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of lightning.5 percent. Max temperature.....75-78. Min humidity........20-35 percent. Wind (20 ft)........Light downslope winds becoming north 5 to 8 mph around 10AM, then increasing to 9 to 15 mph with gusts up to 22 mph after 2PM, then shifting to the northwest around 5PM. Ridgetop wind.......West winds 3 to 6 mph shifting to the north 5 to 8 mph around 10AM, then increasing to 10 to 17 mph with gusts up to 25 mph after 2PM, then shifting to the northwest after 5PM. Mixing height.......7800 ft AGL. Transport winds.....Northwest around 8 mph shifting to the north 8 to 15 mph early in the morning. Ventilation Index...Low (120) increasing to very high (720) in the afternoon. .MONDAY NIGHT... Sky/weather.........Mostly clear (20-30 percent). CWR.................0 percent. Chance of lightning.3 percent. Min temperature.....45-48. Max humidity........80-85 percent. Wind (20 ft)........Northwest winds 8 to 13 mph with gusts up to 22 mph shifting to the west 5 to 10 mph around 10PM, then becoming light downslope winds after 2AM. Ridgetop wind.......Northwest winds 9 to 15 mph with gusts up to 23 mph shifting to the west 5 to 10 mph around 10PM. Mixing height.......800 ft AGL. Transport winds.....Northwest 7 to 15 mph. Ventilation Index...Moderate (280) decreasing to low (60) overnight. .TUESDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Chance of lightning.5 percent. Max temperature.....73-76. Min humidity........25-30 percent. Wind (20 ft)........Light downslope winds becoming northeast 5 to 10 mph around 9AM, with gusts to around 17 mph developing after 12PM. Ridgetop wind.......West winds 5 to 10 mph shifting to the north around 8AM, then shifting to the northeast around 11AM. Mixing height.......7500 ft AGL. Transport winds.....Northwest around 8 mph shifting to the north 8 to 12 mph early in the morning. Ventilation Index...Low (80) increasing to moderate (480) in the afternoon. $$ Forecaster...Lawhorn Requested by...RYAN GREGG Type of request...WILDFIRE .TAG 2612609.0/PDT .DELDT 05/03/26 .FormatterVersion 2.0.0 .EMAIL ryan.gregg@usda.gov