186
FNUS76 KSEW 171223
FWSSEW

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

Forecast is based on forecast start time of 0600 PDT on August 17.
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 ridging over the fire site
throughout the period and will be the dominant weather pattern
into mid-week. Areas of smoke and light winds are likely under
stable conditions. Weather is to remain dry but continued
onshore flow is forecast to keep min RHs just above critical
levels.


.TODAY...

Sky/weather.........Sunny (5-15 percent). Areas of smoke in the
                    morning, then patchy smoke in the afternoon.
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....71-87.
Min humidity........30 to 35 percent.
Wind (20 ft)........Light winds becoming southwest 3 to 6 mph in
                    the afternoon.
Mixing height.......5200 ft AGL.
Transport winds.....South around 5 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......25.
Visibility..........6.

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    mostly cloudy (75-85 percent). Patchy smoke.
CWR.................0 percent.
Chance of lightning.1 percent.
Min temperature.....54-59.
Max humidity........76-91 percent.
Wind (20 ft)........South winds around 5 mph in the evening
                    becoming light.
Mixing height.......300 ft AGL.
Transport winds.....Southwest around 5 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......23 decreasing to 8.5 overnight.
Visibility..........6.

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of lightning.1 percent.
Max temperature.....68-84.
Min humidity........40 to 45 percent.
Wind (20 ft)........Light winds becoming southwest 3 to 6 mph in
                    the afternoon.
Mixing height.......4900 ft AGL.
Transport winds.....West around 6 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......MISSING.
Visibility..........MISSING.

$$
Forecaster...McMillian
Requested by...Wildland Firefighter
Type of request...WILDFIRE
.TAG 2619414.6/SEW
.DELDT 08/17/26
.FormatterVersion 2.0.0
.EMAIL kbonham@blm.gov