201 FNUS76 KPDT 091836 FWSPDT Spot Forecast for YTC...Yakima Training Center FD National Weather Service Pendleton OR 1136 AM PDT Mon Jun 9 2025 Forecast is based on forecast start time of 1200 PDT on June 09. ***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. ...HEAT ADVISORY IN EFFECT UNTIL 9 PM PDT TUESDAY... ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT TUESDAY... .DISCUSSION...Very hot temperatures are expected today and Tuesday, with a gradual cool down after that. A red flag warning is in effect through Tuesday due to gusty afternoon winds and low relative humidity. MIN RH values will be 10 to 15 percent today and Tuesday with moderate overnight recoveries. .REST OF TODAY... Sky/weather.........Sunny (5-15 percent). Chance of pcpn......0 percent. Chance of lightning.1 percent. Max temperature.....Around 100. Min humidity........11-16 percent. Surface winds (mph).West winds 6 to 13 mph shifting to the northwest 10 to 16 mph late in the afternoon. Gusts to around 25 mph in the afternoon and evening. Mixing height.......9600 ft AGL. Transport winds.....West 8 to 15 mph. TIME (PDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............91 95 95 95 97 95 94 91 84 80 77 75 RH..............20 18 17 17 16 16 17 20 23 27 30 32 Surface wnd dir.W W W W W NW NW NW NW NW NW NW Surface wnd spd.10 10 13 13 13 16 16 16 23 23 23 23 Surface wnd gst.13 13 16 16 16 23 23 23 26 26 26 26 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). Chance of pcpn......0 percent. Chance of lightning.1 percent. Min temperature.....64-67. Max humidity........36-41 percent. Surface winds (mph).Northwest winds 10 to 15 with gusts to 25 mph. Mixing height.......500 ft AGL. Transport winds.....Northwest 15 to 23 mph. .TUESDAY... Sky/weather.........Sunny (20-30 percent). Chance of pcpn......0 percent. Chance of lightning.0 percent. Max temperature.....92-95. Min humidity........9-14 percent. Surface winds (mph).West winds 10 to 15 mph, with gusts 25 to 30 mph. Mixing height.......7800 ft AGL. Transport winds.....West 7 to 16 mph. $$ Forecaster...Nierenberg Requested by...Josh Thompson Type of request...OTHER .TAG 2515587.0/PDT .DELDT 06/09/25 .FormatterVersion 2.0.0 .EMAIL jsohua.a.thompson36.civ@army.mil