867
FNUS76 KSEW 171253
FWSSEW

Spot Forecast for WIWFA June Session...WA-DNR
National Weather Service Seattle WA
553 AM PDT Tue Jun 17 2025

Forecast is based on forecast start time of 0700 PDT on June 17.
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...Mostly dry conditions expected at the site today
with onshore flow continuing in the low levels. Chances of showers
will increase tonight into Wednesday as a frontal system moves
across the area. Excellent humidity recoveries are expected
overnight as a result. Surface winds will remain mostly light
today into Wednesday, but will increase from the west at 5 to 8
mph Wednesday afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......Less than 10 percent.
Chance of lightning.0 percent.
Max temperature.....Around 72.
Min humidity........41 percent.
Surface winds (mph).Light winds becoming west around 5 mph in the
                    afternoon.
Mixing Height.......2100 ft AGL rising to 4370 ft AGL by
                    late morning.
Transport Winds.....Southwest 3 to 6 mph becoming west 7 to 9
                    mph by the afternoon.
Pcpn amount.........0.00 inches.

.TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent) then becoming
                    mostly cloudy (75-85 percent). Rain showers
                    overnight.
Chance of pcpn......80 percent.
Chance of lightning.0 percent.
Min temperature.....Around 51.
Max humidity........100 percent.
Surface winds (mph).West to southwest winds around 5 mph.
Mixing Height.......3300 ft AGL decreasing to 1595 ft AGL
                    overnight.
Transport Winds.....West 6 to 8 mph becoming southwest 4 to 6
                    mph overnight.
Pcpn amount.........0.05 inches.

.WEDNESDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Rain showers in
                    the morning, then chance of rain showers in the
                    afternoon.
Chance of pcpn......80 percent.
Chance of lightning.8 percent.
Max temperature.....Around 64.
Min humidity........57 percent.
Surface winds (mph).Light winds becoming west 5 to 8 mph
                    in the afternoon.
Mixing Height.......1500 ft AGL rising to 4475 ft AGL by the
                    afternoon.
Transport Winds.....Southwest 4 to 6 mph becoming west 12 to 14 mph
                    by late morning.
Pcpn amount.........0.08 inches.

$$
Forecaster...Borth
Requested by...Ross A Avichouser
Type of request...OTHER
.TAG 2515582.1/SEW
.DELDT 06/17/25
.FormatterVersion 2.0.0
.EMAIL sean.kibbe@dnr.wa.gov,brandon.taylor@dnr.wa.gov,krissy.mitchell@dnr.wa.gov,ross.avichouser@dnr.wa.gov,lois.anderson@dnr.wa.gov