FNUS76 KPDT 041240 FWSPDT Spot Forecast for Cold Canal 505A...USFS National Weather Service Pendleton OR 540 AM PDT Mon May 4 2026 Forecast is based on ignition time of 0700 PDT on May 04. ***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...Moderate to good (50-60%) overnight humidity recoveries this morning will lead to a slightly cooler (-4) and less dry (+2%) day across the fire area. Breezy afternoon winds are expected today, with increased winds Tuesday afternoon associated with a dropping system to the east. Enhanced winds Tuesday will provide improved ventilation. Conditions continue to cool and moisten Tuesday as excellent (70-75%) overnight humidity recoveries return overnight tonight. .REST OF TODAY... Sky/weather.........Sunny (10-20 percent). CWR.................0 percent. Chance of lightning.3 percent. Max temperature.....64-67. Min humidity........25-30 percent. Wind (20 ft)........Northwest winds 3 to 7 mph becoming north 9 to 14 mph with gusts up to 23 mph after 1000, peaking between 1400 and 1900. Ridgetop wind.......Northwest winds 4 to 8 mph becoming north 15 to 20 mph with gusts up to 28 mph after 1000, peaking between 1400 and 1900. Mixing height.......6900 ft AGL early in the morning. Transport winds.....North around 15 mph. Ventilation Index...Low (120) increasing to very high (940) in the afternoon. .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). CWR.................0 percent. Chance of lightning.3 percent. Min temperature.....43-46. Max humidity........67-72 percent. Wind (20 ft)........North winds 9 to 14 mph with gusts to around 23 mph shifting to the northwest 5 to 10 mph after 2200. Ridgetop wind.......North winds 15 to 20 mph with gusts up to 28 mph shifting to the northwest 6 to 12 mph after 2200. Mixing height.......4100 ft AGL early in the evening. Transport winds.....Northwest around 13 mph. Ventilation Index...Moderate (340) decreasing to low (30) overnight. .TUESDAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. Chance of lightning.2 percent. Max temperature.....59-62. Min humidity........30-35 percent. Wind (20 ft)........Northwest winds 5 to 10 mph becoming north 12 to 18 mph with gusts up to 30 mph after 0900, peaking between 1400 and 1800. Ridgetop wind.......Northwest winds 6 to 12 mph becoming north 15 to 20 mph with gusts up to 33 mph after 0900, peaking between 1400 and 1800. Mixing height.......6400 ft AGL early in the morning. Transport winds.....North around 18 mph. Ventilation Index...Low (90) increasing to very high (1000) in the afternoon. $$ Forecaster...Callihan Requested by...Andrew Hayes Type of request...PRESCRIBED .TAG 2612019.3/PDT .DELDT 05/04/26 .FormatterVersion 2.0.0 .EMAIL andrew.c.hayes@usda.gov,mark.moeller@usda.gov,eaglecapwfm@gmail.com