Spot Forecast
Issued by NWS Seattle/Tacoma, WA

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477
FNUS76 KSEW 181224
FWSSEW

Spot Forecast for Border 2 Fire...NPS
National Weather Service Seattle WA
524 AM PDT Tue Aug 18 2026

Forecast is based on forecast start time of 0600 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...Weak upper level ridge over the area through Thursday
with varying degrees of low level onshore flow. Upper level low
moving by to the north Friday night into Saturday could trigger
convection Friday and/or Saturday.

.TODAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....68-84.
Min humidity........35 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 6 mph in
                    the afternoon.
Mixing height.......4100 ft AGL.
Transport winds.....West around 5 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......20.
Visibility..........7.

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    mostly cloudy (60-70 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....52-57.
Max humidity........72-88 percent.
Wind (20 ft)........South winds 5 to 6 mph in the evening becoming
                    light.
Mixing height.......400 ft AGL.
Transport winds.....Southwest around 5 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......20 decreasing to 10 overnight.
Visibility..........7.

.WEDNESDAY...

Sky/weather.........Partly sunny (45-55 percent) then becoming
                    sunny (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....69-85.
Min humidity........32 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph in
                    the afternoon.
Mixing height.......4000 ft AGL.
Transport winds.....West around 5 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......10 increasing to 25.
Visibility..........7.

$$
Forecaster...Felton
Requested by...Wildland Firefighter
Type of request...WILDFIRE
.TAG 2619414.7/SEW
.DELDT 08/18/26
.FormatterVersion 2.0.0
.EMAIL kbonham@blm.gov