


Spot Forecast
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
234 FNUS76 KSEW 041610 FWSSEW Spot Forecast for Red Mountain...US Forest Service National Weather Service Seattle WA 910 AM PDT Thu Sep 4 2025 Forecast is based on forecast start time of 0900 PDT on September 04. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (206) 526-6095, if you have questions or concerns with this forecast. ...RED FLAG WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 658 AND 659... .DISCUSSION...Hazy but mostly clear skies are expected today with warm and dry conditions and light winds. Unstable conditions remain in place with steep lapse rates keeping red flag conditions though at least tonight. Relative humidity recoveries are expected to improve tonight with increased moisture, and temperatures will be cooler on Friday with improved minimum relative humidities. Some haze may reduce visibilities Friday morning. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Haze. CWR.................0 percent. Chance of lightning.11 percent. Max temperature.....Around 85. Min humidity........30 percent. Wind (20 ft)........Light winds becoming west around 5 mph in the afternoon. Mixing height.......3500 ft AGL. Transport winds.....South around 5 mph. Rainfall amount.....0.00 inches. CEILING (KFT).......25. Visibility..........6. .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). Haze through the night. CWR.................0 percent. Chance of lightning.9 percent. Min temperature.....Around 64. Max humidity........85 percent. Wind (20 ft)........Light winds becoming southeast around 5 mph overnight. Mixing height.......1400 ft AGL. Transport winds.....East around 8 mph. Rainfall amount.....0.00 inches. CEILING (KFT).......25. Visibility..........6. .FRIDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Chance of lightning.2 percent. Max temperature.....Around 80. Min humidity........40 percent. Wind (20 ft)........Southeast winds around 5 mph shifting to the southwest in the afternoon. Mixing height.......5000 ft AGL. Transport winds.....Southeast around 8 mph. Rainfall amount.....0.00 inches. CEILING (KFT).......25 in the morning. Visibility..........0.49 in the morning. $$ Forecaster...Rademacher Requested by...Geoff Hibbs Type of request...WILDFIRE .TAG 2520980.3/SEW .DELDT 09/04/25 .FormatterVersion 2.0.0 .EMAIL geoffrey.hibbs@usda.gov