FNUS76 KSEW 051652

FWSSEW



Spot Forecast for Luna Fire...NPS North Cascades

National Weather Service Seattle WA

952 AM PDT Wed Aug 5 2026



Forecast is based on forecast start time of 1015 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 limiting the minimum relative humidity. The ridge will 

slowly drift east Friday with slowness maybe allowing elevated 

conditions to linger Friday.



.TODAY...



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

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

Chance of lightning.0 percent. 

Max temperature.....Around 82. 

Min humidity........29 percent. 

Wind (20 ft)........Light winds becoming upslope upvalley 3 to 5 mph or 

                    where slopes align, southwest 5 to 9 mph in the afternoon.

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

Transport winds.....South around 6 mph. 

Rainfall amount.....0.00 inches. 

Ceiling (KFT).......Smoke layer 2.5 to 4.0. 

Visibility..........1 increasing to 3 in the afternoon. 



.TONIGHT...



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

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

Chance of lightning.0 percent. 

Min temperature.....Around 56. 

Max humidity........48 percent. 

Wind (20 ft)........West winds or downslope downvalley around 5 mph in the 

                    evening becoming light. 

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

Transport winds.....West around 5 mph. 

Rainfall amount.....0.00 inches. 

Ceiling (KFT).......Smoke layer 2.5 to 4.0. 

Visibility..........3 decreasing to 1 overnight. 



.THURSDAY...



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

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

Chance of lightning.0 percent. 

Max temperature.....Around 83. 

Min humidity........29 percent. 

Wind (20 ft)........Light winds becoming upslope upvalley 3 to 5 mph or 

                    where slopes align, southwest 6 to 10 mph in the 

                    afternoon. 

Mixing height.......4300 ft AGL. 

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

Rainfall amount.....0.00 inches. 

Ceiling (KFT).......Smoke layer 2.5 to 4.0. 

Visibility..........1 increasing to 3 in the afternoon. 



$$

Forecaster...Bower

Requested by...Daniel Cleveland

Type of request...WILDFIRE

.TAG 2618962.1/SEW

.DELDT 08/05/26

.FormatterVersion 2.0.0

.EMAIL daniel.cleveland21@gmail.com