657
FNUS76 KSEW 200355
FWSSEW

Spot Forecast for Border 2 Fire...NPS
National Weather Service Seattle WA
855 PM PDT Wed Aug 19 2026

Forecast is based on forecast start time of 0800 PDT on August 20.
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...A weak upper level ridge with light onshore flow
will shift eastward Thursday night. An approaching weather system
way bring a chance for increasing clouds and isolated thunderstorms
Friday evening, but the best chances for shower and thunderstorms
will be Saturday as this system draws closer. Temperatures will
remain near seasonal normals while overnight RH recoveries will be
good Thursday night. The incoming moisture will allow for better
recoveries Friday night.

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....75-81.
Min humidity........29-36 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph in
                    the afternoon.
Mixing height.......4200 ft AGL.
Transport winds.....West around 4 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......25.
Visibility..........6 increasing to 9 in the afternoon.

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....52-58.
Max humidity........60 percent.
Wind (20 ft)........Southwest winds 5 to 6 mph shifting to the east
                    overnight.
Mixing height.......300 ft AGL.
Transport winds.....Northeast around 4 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......25.
Visibility..........8 in the evening.

.FRIDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....78-84.
Min humidity........28 percent.
Wind (20 ft)........East winds 5 to 6 mph shifting to the southwest
                    in the afternoon.
Mixing height.......5000 ft AGL.
Transport winds.....South around 8 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......10 increasing to 25 in the mid-morning.
Visibility..........10.

$$
Forecaster...Reedy
Requested by...Wildland Firefighter
Type of request...WILDFIRE
.TAG 2620065.0/SEW
.DELDT 08/19/26
.FormatterVersion 2.0.0
.EMAIL alexwconrad@gmail.com