FNUS76 KSEW 221343 FWSSEW Spot Forecast for Border 2 Fire...NPS National Weather Service Seattle WA 643 AM PDT Sat Aug 22 2026 Forecast is based on forecast start time of 0600 PDT on August 22. 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 FROM 11 AM THIS MORNING TO 8 PM PDT THIS EVENING... .DISCUSSION...Unstable air mass over the site today. Convective activity increasing with daytime heating. Thunderstorm chances ending after sunset tonight. Weak upper level trough moving through Sunday morning. Upper level ridge building in late Sunday will stabilize the air mass ending the shower activity. .REST OF TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Rain showers likely in the morning. Chance of thunderstorms through the day. Rain showers in the afternoon. CWR.................25 percent. Chance of lightning.40 percent. Max temperature.....72. Min humidity........55 percent. Wind (20 ft)........Light winds becoming southwest around 5 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. Mixing height.......2300 ft AGL. Transport winds.....South around 7 mph. Rainfall amount.....0.12 inches. Ceiling (KFT).......1.0. Visibility..........5. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent). Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers overnight. CWR.................22 percent. Chance of lightning.30 percent. Min temperature.....52. Max humidity........9 percent. Wind (20 ft)........South winds 5 to 8 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......700 ft AGL. Transport winds.....South around 9 mph. Rainfall amount.....0.08 inches. Ceiling (KFT).......1.0. Visibility..........5. .SUNDAY... Sky/weather.........Mostly cloudy (70-80 percent). Rain showers likely in the morning, then chance of rain showers in the afternoon. CWR.................9 percent. Chance of lightning.10 percent. Max temperature.....65. Min humidity........71 percent. Wind (20 ft)........Southwest winds 5 to 7 mph. Mixing height.......2500 ft AGL. Transport winds.....Southwest around 8 mph. Rainfall amount.....0.02 inches. Ceiling (KFT).......1.0 increasing to 4.0. Visibility..........5 increasing to 10. $$ Forecaster...Felton Requested by...Wildland Firefighter Type of request...WILDFIRE .TAG 2619414.11/SEW .DELDT 08/22/26 .FormatterVersion 2.0.0 .EMAIL kbonham@blm.gov