


Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
858 FNUS76 KPDT 182304 FWSPDT Spot Forecast for Soap Hill...USDA-FS National Weather Service Pendleton OR 404 PM PDT Fri Jul 18 2025 Forecast is based on forecast start time of 1900 PDT on July 18. ***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 the transport wind multiplied by the mixing height in 100`s of feet. Index categories are a generalized indicator only.*** If you have questions or concerns with this forecast, please contact our office at (541) 276-8134. .DISCUSSION...A cold front is passing over the fire area this afternoon, shifting winds from the southwest to the northwest by 5 PM as winds increase and peak between 5 PM and 8 PM. Clouds will increase slightly tonight as good overnight humidity recoveries are anticipated. High temperatures will be about 5 degrees warmer Saturday behind the cold front, with winds increasing through the afternoon as a weak pressure gradient develops. Afternoon humidities will also bump up about 10% on Saturday. .REST OF TODAY... Sky/weather.........Mostly clear (10-20 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 90. Min humidity........22-26 percent. Ridgetop wind.......Southwest 5 to 10 mph. Mixing height.......8300 ft AGL. Transport winds.....Southwest 10 to 15 mph Ventilation Index...Excellent (996) .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). Haze in the evening. CWR.................0 percent. Chance of lightning.1 percent. Min temperature.....52-55. Max humidity........64-69 percent. Wind (20 ft)........Northwest winds 5 to 10 mph with gusts up to 15 mph shifting to the southwest around 5 mph after 11 PM. Ridgetop wind.......Northwest winds 6 to 12 mph with gusts up to 18 mph shifting to the southwest 5 to 8 mph after 11 PM. Mixing height.......600 ft AGL. Transport winds.....West around 10 mph. Ventilation Index...Fair (490) decreasing to poor (50) overnight. .SATURDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of lightning.1 percent. Max temperature.....83-86. Min humidity........29-33 percent. Wind (20 ft)........Southwest winds 3 to 6 mph increasing 5 to 10 mph with gusts up to 15 mph after 8 AM and shifting from the west after 1 PM. Ridgetop wind.......Southwest winds 4 to 8 mph increasing to 6 to 12 mph with gusts up to 18 mph after 8 AM and shifting from the west after 1 PM. Mixing height.......7700 ft AGL. Transport winds.....West around 15 mph. Ventilation Index...Poor (180) increasing to excellent (1010) in the afternoon. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (25-35 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....49-52. Max humidity........61-66 percent. Wind (20 ft)........West winds 5 to 10 mph with gusts up to 15 mph becoming northwest around 6 PM and decreasing 3 to 6 mph after 9 PM. Ridgetop wind.......West wind 6 to 12 mph with gusts up to 18 mph becoming northwest around 6 PM and decreasing 4 to 8 mph after 9 PM. Mixing height.......600 ft AGL. Transport winds.....West around 9 mph. Ventilation Index...Fair (400) decreasing to poor (40) overnight. $$ Forecaster...Callihan Requested by...Clay Gabelmann Type of request...WILDFIRE .TAG 2518230.0/PDT .DELDT 07/18/25 .FormatterVersion 2.0.0 .EMAIL clay.gabelmann@usda.gov,charles.meyer2@usda.gov,tyler.arbogast@odf.oregon.gov