533
FNUS76 KSEW 180201
FWSSEW

Spot Forecast for Border 2 Fire...NPS
National Weather Service Seattle WA
701 PM PDT Mon Aug 17 2026

Forecast is based on forecast start time of 0000 PDT on August 18.
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...Dry conditions and mild weather will persist through
midweek. Onshore flow will maintain excellent RH recoveries during
the overnight periods. Any clouds in the vicinity of the site during
the morning hours will scatter by the afternoon hours for some sun.
Winds will primarily be westerly, around 5 to 7 mph during the
daytime hours, before becoming light during the overnight periods.

.REST OF TONIGHT...

Sky/weather.........Cloudy. Patchy smoke.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....52-59.
Max humidity........73-83 percent.
Wind (20 ft)........Light and variable winds less than 5 mph.
Mixing height.......2100 ft AGL decreasing to 400 ft AGL
                    overnight.
Transport winds.....West-southwest 4 to 7 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......25.
Visibility..........10 mi, except reduced visibilities to 5 mi
                    at times in patchy smoke.

.TUESDAY...

Sky/weather.........Cloudy becoming mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....61-80.
Min humidity........41-48 percent.
Wind (20 ft)........Light winds becoming west 5 to 6 mph in the
                    afternoon.
Mixing height.......900 ft AGL increasing to 4300 ft AGL by late
                    morning.
Transport winds.....West around 5 mph increasing to 6 to 8 mph in
                    the afternoon.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......25.
Visibility..........10 mi.

.TUESDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....49-57.
Max humidity........74-80 percent.
Wind (20 ft)........West winds 5 to 7 mph shifting to the south, up
                    to 6 mph overnight.
Mixing height.......2000 ft AGL decreasing to 400 ft AGL
                    overnight.
Transport winds.....West around 5 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......25 decreasing to 13 overnight.
Visibility..........10 mi decreasing to 6 mi overnight.

.WEDNESDAY...

Sky/weather.........Cloudy becoming mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....61-80.
Min humidity........42-50 percent.
Wind (20 ft)........Light winds becoming west around 5 mph in the
                    afternoon.
Mixing height.......400 ft AGL increasing to 3500 ft AGL by late
                    morning.
Transport winds.....West-southwest 5 to 7 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......13 increasing to 25 by the afternoon.
Visibility..........6 mi increasing to 10 mi by the afternoon.

$$
Forecaster...Borth
Requested by...Wildland Firefighter
Type of request...WILDFIRE
.TAG 2619893.0/SEW
.DELDT 08/17/26
.FormatterVersion 2.0.0
.EMAIL andrea.m.cherney@gmail.com