Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
701 FNUS76 KPDT 300343 FWSPDT Spot Forecast for Pine Hallow...USFS National Weather Service Pendleton OR 843 PM PDT Sun Jun 29 2025 Forecast is based on forecast start time of 0600 PDT on June 30. ***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...Moderate (44-54%) overnight recoveries Monday morning. High pressure will still dominate the weather pattern over the fire area, keeping skies clear, conditions dry, and winds diurnally driven. Winds will shift from downvalley (north) in the morning to upslope (east) mid-morning, then southeast through the afternoon. This will reverse overnight as humidity recoveries drop about 10-14%. An incoming system will increase cloud cover Tuesday as a chance of rain and thunderstorms will materialize after 11 AM, peaking between 5 PM and 8 PM. .MONDAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. Chance of lightning.4 percent. Max temperature.....89-92. Min humidity........10-15 percent. Wind (20 ft)........Light north winds 2 to 5 mph becoming east 3 to 7 mph by 9 AM, then shifting to the southeast 4 to 8 mph by noon. Ridgetop wind.......Light north winds 3 to 6 mph becoming east 4 to 8 mph by 9 AM, then shifting to the southeast 5 to 10 mph by noon. Mixing height.......10200 ft AGL early in the morning. Transport winds.....Light winds becoming west 6 to 8 mph late in the morning, then shifting to the north around 9 mph late in the afternoon. Ventilation Index...Poor (30) increasing to fair (490) in the afternoon. TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Chc of ltng (%).0 0 0 0 0 0 Temp............59 65 76 84 89 91 RH..............49 40 28 21 16 15 20 ft wind......N 3 NE 4 E 4 SE 5 SE 6 SE 6 20 ft wind gust. 6 8 8 .MONDAY NIGHT... Sky/weather.........Partly cloudy (20-30 percent). CWR.................0 percent. Chance of lightning.4 percent. Min temperature.....64-67. Max humidity........31-36 percent. Wind (20 ft)........Southeast winds 4 to 8 mph becoming west 2 to 5 mph, then from the north winds 3 to 7 mph. Ridgetop wind.......Southeast winds 5 to 10 mph becoming west 3 to 6 mph, then from the north winds 4 to 8 mph. Mixing height.......500 ft AGL in the evening. Transport winds.....North 7 to 16 mph decreasing to around 6 mph early in the morning. Ventilation Index...Fair (500) decreasing to poor (30) overnight. .TUESDAY... Sky/weather.........Mostly sunny (30-40 percent). Slight chance (15 percent) of thunderstorms after 11 AM, peaking between 5 PM and 8 PM. Chance (20-30 percent) of showers after 5 PM. CWR.................5 percent. Chance of lightning.15 percent. Max temperature.....91-94. Min humidity........12-17 percent. Wind (20 ft)........Light winds becoming northwest 5 to 10 mph after 11 AM. Gusty and erratic winds expected near thunderstorms after 11 AM. Ridgetop wind.......Light winds becoming northwest 6 to 12 mph after 11 AM. Gusty and erratic winds expected near thunderstorms after 11 AM. Mixing height.......9100 ft AGL early in the morning. Transport winds.....North 6 to 7 mph shifting to the southwest around 8 mph late in the afternoon, then shifting to the northwest around 12 mph late in the afternoon. Ventilation Index...Poor (30) increasing to poor (190) in the afternoon. $$ Forecaster...Callihan Requested by...Amy Hicks Type of request...WILDFIRE .TAG 2516914.0/PDT .DELDT 06/29/25 .FormatterVersion 2.0.0 .EMAIL amy.hicks@usda.gov,emily.palmer2@usda.gov