FNUS76 KSEW 051825

FWSSEW



Spot Forecast for Border 2...NPS North Cascades

National Weather Service Seattle WA

1125 AM PDT Wed Aug 5 2026



Forecast is based on forecast start time of 1100 PDT on August 05. 

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...Upper level ridge over Western Washington through

Thursday. In the lower levels thermally induced trough over the area

through Thursday will move east Thursday night. Very warm and dry

and smoky conditions today and Thursday with elevated fire 

weather conditions. Smoke is dampening the hot temperatures and 

slightly increasing relative humidity. The ridge will 

slowly drift east Friday with slowness maybe allowing elevated 

conditions to linger Friday.



.REST OF TODAY...



Sky/weather.........Sunny (0-10 percent). Areas of smoke. 

CWR.................0 percent. 

Chance of lightning.0 percent. 

Max temperature.....Around 86. Ridges 72 to 82.

Min humidity........24 to 35 percent. 

Wind (20 ft)........Light winds becoming upslope upvalley 5 mph. 

                    Exposed ridges north winds 3 to 7 mph. 

Mixing height.......4700 ft AGL. 

Transport winds.....Southwest around 8 mph. 

Rainfall amount.....0.00 inches. 

Ceiling (KFT).......25. 

Visibility..........2.95 decreasing to 1.14 in the afternoon. 



.TONIGHT...



Sky/weather.........Mostly clear (5-15 percent). Areas of smoke. 

CWR.................0 percent. 

Chance of lightning.0 percent. 

Min temperature.....50 to 60. 

Max humidity........70 to 80 percent. 

Wind (20 ft)........Light drainage winds lower slopes and near the 

                    lake. Ridges northeast winds 5 to 15 mph.

Mixing height.......300 ft AGL. 

Transport winds.....Southwest around 5 mph. 

Rainfall amount.....0.00 inches. 

Ceiling (KFT).......25. 

Visibility..........5 increasing to 6 overnight. 



.THURSDAY...



Sky/weather.........Sunny (10-20 percent). Areas of smoke. 

CWR.................0 percent. 

Chance of lightning.0 percent. 

Max temperature.....Around 88. Ridges 75 to 85.

Min humidity........25 to 35 percent. 

Wind (20 ft)........Light winds. 

Mixing height.......4600 ft AGL. 

Transport winds.....West around 7 mph. 

Rainfall amount.....0.00 inches. 

Ceiling (KFT).......25 in the morning. 

Visibility..........6 in the morning. 



$$

Forecaster...Bower

Requested by...Jared Smith

Type of request...WILDFIRE

.TAG 2619013.0/SEW

.DELDT 08/05/26

.FormatterVersion 2.0.0

.EMAIL jared.o.smith@usda.gov