FNUS76 KPDT 022326 FWSPDT Spot Forecast for COLD SPRINGS FIRE...WALLA WALLA COUNTY FIRE DISTRICT 4 National Weather Service Pendleton OR 426 PM PDT Wed Jul 2 2025 Forecast is based on forecast start time of 1700 PDT on July 02. ***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. ...RED FLAG WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY... .DISCUSSION...Hot, dry, and breezy conditions will persist through this evening. Winds will slacken some in magnitude overnight, but confidence is high (>80%) that winds will not be light (<5 kts). RH recovery is anticipated to be moderate. Southwest to west winds and low relative humidity is forecast again Thursday. .REST OF TODAY... Sky/weather.........Sunny (10-20 percent). CWR.................0 percent. Chance of lightning.1 percent. Max temperature.....87-90. Min humidity........15-20 percent. Wind (20 ft)........West-southwest winds 10-20 mph with gusts of 20-30 mph. Ridgetop wind.......West-southwest winds 15-25 mph with gusts of 25-35 mph. Mixing height.......3500-4000 ft AGL. Transport winds.....Southwest 20-25 mph. Ventilation Index...Fair (390). TIME (PDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............88 86 82 79 73 70 68 65 63 61 60 59 RH..............17 22 25 29 37 42 45 48 51 55 58 60 20 FT wind dir..W W W SW SW SW SW SW SW SW SW SW 20 FT wind spd..20 20 20 15 15 15 12 12 12 12 12 12 20 FT wind gust.30 30 30 25 25 25 20 20 20 20 20 20 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). CWR.................0 percent. Chance of lightning.1 percent. Min temperature.....57-60. Max humidity........58-63 percent. Wind (20 ft)........Southwest winds 8-12 mph with gusts of 15-20 mph. Ridgetop wind.......Southwest winds 10-15 mph with gusts of 15-25 mph. Mixing height.......3400 ft AGL early in the evening. Transport winds.....Southwest 15 to 24 mph. Ventilation Index...Fair (390) decreasing to poor (30) overnight. .THURSDAY... Sky/weather.........Sunny (10-20 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....83-86. Min humidity........14-19 percent. Wind (20 ft)........Southwest to west winds 8-12 mph with gusts of 12-17 mph. Ridgetop wind.......Southwest to west winds 8-12 mph with gusts of 12-17 mph. Mixing height.......Increasing to 4500-5000 ft AGL late morning. Transport winds.....Southwest 10-15 mph. Ventilation Index...Poor (150) increasing to fair (440) in the afternoon. $$ Forecaster...Plunkett Requested by...BRANDON MCKINNEY Type of request...WILDFIRE .TAG 2517159.0/PDT .DELDT 07/02/25 .FormatterVersion 2.0.0 .EMAIL bmckinney@wwfire4.com,imt@wwfire4.com