FNUS76 KPDT 042115 FWSPDT Spot Forecast for Swauk Creek...USFS National Weather Service Pendleton OR 215 PM PDT Tue Aug 4 2026 Forecast is based on forecast start time of 0600 PDT on August 05. ***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...Terrain-driven winds will continue to prevail over the incident with light drainage winds at night and light breezes in the afternoon. Westerly gusts as high as around 15 mph anticipated Wednesday and Thursday. Fair overnight recovery tonight and Wednesday night with critically low afternoon humidity each day. No precipitation expected over the next 7-days. .WEDNESDAY... Sky/weather.........Sunny (0-10 percent). Smoke. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....85-87. Min humidity........14-17 percent. Wind (20 ft)........Light terrain driven winds 2 to 4 mph becoming south around 5 mph mid-late morning shifting to the west 5 to 7 mph with occasional gusts up to 15 by late afternoon. Ridgetop wind.......South wind around 2 to 5 mph becoming west wind around 10 mph by late afternoon. Mixing height.......6200 ft. Transport winds.....Light and variable around 3 mph becoming south around 6 mph late in the morning shifting to the west by mid afternoon. Ventilation Index...Moderate (320). TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Chc of ltng (%).0 0 0 0 0 0 Temp............58 63 74 82 86 87 RH..............42 38 27 17 14 14 20 ft wind......N 2 N 2 S 3 S 6 S 6 WSW 7 20 ft wind gust. 15 .WEDNESDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Smoke. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....59-62. Max humidity........40-45 percent. Wind (20 ft)........West winds 5 to 7 mph early in the evening becoming light drainage winds 1 to 3 mph. Ridgetop wind.......West winds around 5 mph. Mixing height.......500 ft AGL. Transport winds.....Northwest 9 to 12 mph. Ventilation Index...Low (40). .THURSDAY... Sky/weather.........Sunny (0-10 percent). Smoke. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....86-89. Min humidity........13-16 percent. Wind (20 ft)........Light terrain winds 2 to 4 mph becoming west 6 to 10 mph late in the morning with gusts around 15 mph. Ridgetop wind.......West winds around 5 mph increasing to 10 to 15 mph in the afternoon. Mixing height.......5800 ft AGL. Transport winds.....West 7 to 13 mph. Ventilation Index...Moderate (360). $$ Forecaster...Townsend Requested by...Jeff Anders Type of request...WILDFIRE .TAG 2618969.0/PDT .DELDT 08/04/26 .FormatterVersion 2.0.0 .EMAIL seth.missal@usda.gov,janders@ldaf.state.la.us