FNUS76 KPDT 060920 FWSPDT Spot Forecast for Cold Canal 505A...USFS National Weather Service Pendleton OR 220 AM PDT Wed May 6 2026 Forecast is based on ignition time of 0700 PDT on May 06. ***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...Warm, dry conditions are forecast today and Thursday. Predominantly diurnally and terrain-driven winds are anticipated today, tonight, and Thursday, though more persistent northerly to northwesterly winds are expected for exposed ridgetops. Moderate RH recovery is forecast tonight for mid-slopes with good to excellent recovery for drainages. Though outside the forecast period, seeing potential for poor to moderate overnight RH recovery along ridgetops Thursday night. .REST OF TODAY... Sky/weather.........Mostly sunny (5-20 percent), becoming partly cloudy (35-55 percent) by afternoon. CWR.................0 percent. Chance of lightning.5 percent. Max temperature.....64-67 mid-slopes, 61-64 drainages. Min humidity........29-34 percent mid-slopes, 34-39 percent drainages. Wind (20 ft)........Variable winds 1-4 mph early morning, becoming north to northwest winds 3-7 mph with gusts of up to 15 mph by late morning. Ridgetop wind.......Northwest winds 1-4 mph early morning, becoming north to northwest winds 6-12 mph with gusts of up to 20 mph by late morning. Mixing height.......Increasing to 5700-6200 ft AGL by late morning. Transport winds.....Northwest 8-12 mph. Ventilation Index...Low (30) increasing to high (590) in the afternoon. .TONIGHT... Sky/weather.........Mostly cloudy (65-85 percent). CWR.................0 percent. Chance of lightning.4 percent in the evening. Min temperature.....46-49 mid-slopes, 40-43 drainages. Max humidity........52-57 percent mid-slopes, 75-80 percent drainages. Wind (20 ft)........Northwest to north winds 4-7 mph with gusts of up to 15 mph in the evening, becoming drainage or variable winds 1-4 mph overnight. Ridgetop wind.......Northwest to north winds 6-12 mph with gusts of up to 20 mph in the evening, decreasing to 4-8 mph overnight. Mixing height.......Decreasing to 300-700 ft AGL overnight. Transport winds.....West to northwest 5-8 mph. Ventilation Index...Decreasing to low (30) overnight. .THURSDAY... Sky/weather.........Mostly sunny (10-35 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....62-65 mid-slopes, 59-62 drainages. Min humidity........23-28 percent mid-slopes, 28-33 percent drainages. Wind (20 ft)........North winds 4-8 mph with gusts up to 15 mph late morning and afternoon. Ridgetop wind.......North winds 6-10 mph with gusts up to 20 mph late morning and afternoon. Mixing height.......Increasing to 5700-6200 ft AGL by late morning. Transport winds.....Northwest 8-12 mph. Ventilation Index...Low (90) increasing to high (630) in the afternoon. $$ Forecaster...Plunkett Requested by...Andrew Hayes Type of request...PRESCRIBED .TAG 2612019.5/PDT .DELDT 05/06/26 .FormatterVersion 2.0.0 .EMAIL mark.moeller@usda.gov,eaglecapwfm@gmail.com,andrew.c.hayes@usda.govPDT-57509