FNUS76 KSEW 211130 FWSSEW Spot Forecast for Border 2 Fire...NPS National Weather Service Seattle WA 430 AM PDT Mon Sep 21 2026 Forecast is based on forecast start time of 0600 PDT on September 21. 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. .DISCUSSION...Upper level ridge well to the east with an upper level trough offshore today. Weak system moving by to the north this afternoon increasing cloud cover over the site. Next system spinning out of the trough dissipating as it reaches the site Wednesday. .TODAY... Sky/weather.........Sunny (0-10 percent) then becoming partly sunny (50-60 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 68. Min humidity........37 percent. Wind (20 ft)........Southeast winds around 5 mph shifting to the south 5 to 7 mph in the afternoon. Mixing height.......3300 ft AGL. Transport winds.....South around 12 mph. Rainfall amount.....0.00 inches. Ceiling (KFT).......25 lowering to 7.0 in afternoon. Visibility..........10. .TONIGHT... Sky/weather.........Partly cloudy (20-30 percent) then becoming mostly cloudy (75-85 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....Around 44. Max humidity........80 percent. Wind (20 ft)........South winds 5 to 6 mph. Mixing height.......400 ft AGL. Transport winds.....South around 7 mph. Rainfall amount.....0.00 inches. Ceiling (KFT).......7.0. Visibility..........10. .TUESDAY... Sky/weather.........Partly sunny (45-55 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 66. Min humidity........40 percent. Wind (20 ft)........Light winds becoming southwest 5 to 7 mph in the afternoon. Mixing height.......3800 ft AGL. Transport winds.....Southwest around 8 mph. Rainfall amount.....0.00 inches. Ceiling (KFT).......7.0. Visibility..........10. $$ Forecaster...Felton Requested by...Emma Anderson Type of request...WILDFIRE .TAG 2621327.13/SEW .DELDT 09/21/26 .FormatterVersion 2.0.0 .EMAIL alan@amtproductions.com,Melvin.Durrant@usda.gov,emma.anderson@usda.gov