FNUS76 KSEW 221200
FWSSEW

Spot Forecast for Miners Fire...USFS
National Weather Service Seattle WA
500 AM PDT Sat Aug 22 2026

Forecast is based on forecast start time of 0800 PDT on August 22. 
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.

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING...

.DISCUSSION...Unstable air mass over the site today. Convective 
activity increasing with daytime heating. Thunderstorm chances ending
after sunset tonight. Weak upper level trough moving through 
Sunday morning. Upper level ridge building in late Sunday will
stabilize the air mass ending the shower activity.

.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Showers likely 
                    and slight chance of thunderstorms early in the 
                    morning, then showers and chance of 
                    thunderstorms in the afternoon. 
CWR.................14 percent. 
Chance of lightning.30 percent. 
Max temperature.....Around 71. 
Min humidity........75 percent. 
Wind (20 ft)........Southwest winds around 5 mph shifting to the 
                    west 5 to 7 mph in the afternoon. Gusty and 
                    erratic winds expected near thunderstorms. 
Mixing height.......2000 ft AGL. 
Transport winds.....South around 8 mph. 
Rainfall amount.....0.03 inches. 
Ceiling (KFT).......1.0. 
Visibility..........5. 

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of 
                    thunderstorms in the evening. Chance of rain 
                    showers through the night. 
CWR.................8 percent. 
Chance of lightning.20 percent. 
Min temperature.....Around 51. 
Max humidity........97 percent. 
Wind (20 ft)........West winds 5 to 7 mph. Gusty and erratic winds 
                    expected near thunderstorms in the evening. 
Mixing height.......900 ft AGL. 
Transport winds.....West around 11 mph. 
Rainfall amount.....0.03 inches. 
Ceiling (KFT).......1.0. 
Visibility..........7. 

.SUNDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain 
                    showers in the morning. 
CWR.................6 percent. 
Chance of lightning.7 percent. 
Max temperature.....Around 62. 
Min humidity........82 percent. 
Wind (20 ft)........West winds 6 to 8 mph. 
Mixing height.......2200 ft AGL. 
Transport winds.....West around 10 mph. 
Rainfall amount.....0.02 inches. 
Ceiling (KFT).......1.0 increasing to 3.0. 
Visibility..........7. 

$$
Forecaster...Felton
Requested by...Mitchell Forte
Type of request...WILDFIRE
.TAG 2620223.0/SEW
.DELDT 08/22/26
.FormatterVersion 2.0.0
.EMAIL Robin.Nuyen@usda.gov,jeffery.niel@usda.gov,Mitchell.Forte@usda.gov