FNUS76 KSEW 211132

FWSSEW



Spot Forecast for Scatter Creek RX...WDFW

National Weather Service Seattle WA

432 AM PDT Mon Sep 21 2026



Forecast is based on ignition time of 1100 PDT on September 21. 

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 well to the east with an upper level

trough offshore today. Weak system moving by to the north this

afternoon. Next system spinning out of the trough dissipating as 

it reaches the site Wednesday.



.REST OF TODAY...



Sky/weather.........Mostly cloudy (70-80 percent). 

Max temperature.....Around 71. 

Min humidity........57 percent. 

Wind (20 ft)........Light winds becoming west around 5 mph in the 

                    afternoon. 

Mixing height.......2600 ft AGL. 

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



.TONIGHT...



Sky/weather.........Partly cloudy (20-30 percent) then becoming 

                    mostly cloudy (75-85 percent). 

Min temperature.....Around 50. 

Max humidity........99 percent. 

Wind (20 ft)........West winds around 5 mph in the evening becoming 

                    light. 

Mixing height.......500 ft AGL. 

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



.TUESDAY...



Sky/weather.........Mostly cloudy (65-75 percent) then becoming 

                    sunny (15-25 percent). 

Max temperature.....Around 70. 

Min humidity........48 percent. 

Wind (20 ft)........Light winds becoming west 5 to 6 mph in the 

                    afternoon. 

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

Transport winds.....West around 8 mph. 



$$

Forecaster...Felton

Requested by...Fiona Edwards

Type of request...PRESCRIBED

.TAG 2622142.0/SEW

.DELDT 09/21/26

.FormatterVersion 2.0.0

.EMAIL fiona.edwards@dfw.wa.gov