559
FNUS76 KSEW 210110
FWSSEW

Spot Forecast for Milk...USFS
National Weather Service Seattle WA
610 PM PDT Thu Aug 20 2026

Forecast is based on forecast start time of 0600 PDT on August 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.

...FIRE WEATHER WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY EVENING...

.DISCUSSION...Dry weather through Friday with minimum RHs in the
upper 20 percent range on Friday. Patchy fog may form over the
burn site early Friday morning. Winds predominantly east-southeast
late tonight into Friday morning before transitioning to south
Friday afternoon. The threat for showers and thunderstorms
increases on Saturday, particularly after 1000 and into the
evening. Gusty and erratic winds are expected near thunderstorms
and lightning may lead to new fire starts. Ceilings and
visibilities will also lower Saturday, especially in areas of
showers and thunderstorms.

.FRIDAY...

Sky/weather.........Partly sunny (40-50 percent).
CWR.................0 percent.
Chance of lightning.5 percent.
Max temperature.....Around 75.
Min humidity........29 percent.
Wind (20 ft)........Light west winds 5 mph or less becoming northwest
                    in the late afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....South to southeast around 9 mph.
Rainfall amount.....0.00 inches.
Ceiling (KFT).......22 decreasing to 13 in the afternoon.
Visibility..........8.

.FRIDAY NIGHT...

Sky/weather.........Cloudy (90-100 percent). Slight chance of rain
                    showers and isolated thunderstorms overnight.
CWR.................0 percent.
Chance of lightning.10 percent.
Min temperature.....Around 55.
Max humidity........89 percent.
Wind (20 ft)........Light winds.
Mixing height.......200 ft AGL.
Transport winds.....Northwest around 7 mph.
Rainfall amount.....0.01 inches.
Ceiling (KFT).......7.
Visibility..........6.

.SATURDAY...

Sky/weather.........Partly sunny (65-75 percent). Rain showers likely
                    and chance of thunderstorms.
CWR.................27 percent.
Chance of lightning.26 percent.
Max temperature.....Around 59.
Min humidity........86 percent.
Wind (20 ft)........Light winds becoming west 5 to 8 mph in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms.
Mixing height.......2500 ft AGL.
Transport winds.....Northwest around 8 mph.
Rainfall amount.....0.15 inches.
Ceiling (KFT).......7 becoming 2. Lowering to 0.2 in showers and
                    thunderstorms.
Visibility..........6 becoming 3. Lowering to 0.1 in showers and
                    thunderstorms.

$$
Forecaster...Lindeman
Requested by...Eric DeCamp
Type of request...WILDFIRE
.TAG 2620139.0/SEW
.DELDT 08/20/26
.FormatterVersion 2.0.0
.EMAIL wapsc@firenet.gov