FNUS76 KPDT 091319 FWSPDT Spot Forecast for 55348 Structure Burn...Heppner Fire National Weather Service Pendleton OR 619 AM PDT Fri May 9 2025 Forecast is based on ignition time of 0800 PDT on May 10. ***Thunderstorms imply gusty and erratic winds*** ***Winds are 20 foot 10-minute averages*** ***CWR-Chance of wetting rain 0.10 or greater*** If you have questions or concerns with this forecast, please contact our office at (541) 276-8134. .DISCUSSION...Good (55-65 percent) overnight humidity recovery Saturday morning will lead to slightly improved afternoon humidities as a weak system passes north of the fire area. Breezy winds will result, which will continue through Sunday as more significant system brings light rain in the early morning hours on Sunday. A wetting rain is anticipated Sunday with amounts between 0.10-0.20", peaking between 5 PM and 11 PM. .SATURDAY... Sky/weather.........Partly sunny (50-60 percent). CWR.................0 percent. Chance of lightning.1 percent. Max temperature.....72-75. Min humidity........26-31 percent. Wind (20 ft)........West winds 7 to 14 mph shifting to the northwest 10 to 17 mph with gusts up to 23 mph by noon, peaking between 1 PM and 7 PM. Ridgetop wind.......West winds 8 to 16 mph shifting to the northwest 13 to 20 mph with gusts up to 27 mph by noon, peaking between 1 PM and 7 PM. Mixing height.......4900 ft AGL. Transport winds.....West 10 to 16 mph. TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............61 63 65 68 69 71 72 72 71 69 66 62 RH..............49 47 45 43 40 37 35 32 31 31 35 39 20 FT wind dir..W W W W NW NW NW NW NW NW NW NW 20 FT wind spd..8 8 8 12 12 12 15 15 15 17 17 17 20 FT wind gust.10 10 10 14 14 14 18 18 18 21 23 21 .SATURDAY NIGHT... Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain showers (35-45 percent) after 5 AM. CWR.................1 percent. Chance of lightning.2 percent. Min temperature.....49-52. Max humidity........64-69 percent. Wind (20 ft)........Northwest winds 10 to 16 mph with gusts up 20 mph shifting to the southwest 5 to 10 mph after 10 PM. Ridgetop wind.......Northwest winds 15 to 20 mph with gusts up to 25 mph shifting to the southwest 6 to 12 mph after 10 PM. Mixing height.......600 ft AGL. Transport winds.....West 9 to 16 mph. .SUNDAY... Sky/weather.........Mostly cloudy (70-80 percent). Chance (35-45 percent) of rain showers before 11 AM, then rain showers likely (55-70 percent) through the remainder of the day. CWR.................1 percent increasing to 38 percent. Chance of lightning.7 percent. Max temperature.....63-66. Min humidity........45-50 percent. Wind (20 ft)........West winds 5 to 10 mph shifting to the northwest 10 to 17 mph with gusts up to 20 mph after 10 AM, peaking after 4 PM. Ridgetop wind.......West winds 6 to 12 mph shifting to the northwest 12 to 20 mph with gusts up to 25 mph after 10 AM, peaking after 4 PM. Mixing height.......5100 ft AGL. Transport winds.....West 9 to 15 mph. $$ Forecaster...Callihan Requested by...Stacy Lauritsen Type of request...PRESCRIBED .TAG 2513592.0/PDT .DELDT 05/09/25 .FormatterVersion 2.0.0 .EMAIL lauritsenstacy@gmail.com