Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Frost Advisory in effect from April 16, 01:00 AM PDT until April 16, 09:00 AM PDT

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Overcast

48°F

9°C

Humidity	61%
Wind Speed	S 17 MPH
Barometer	29.83 in (1010.16 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	15 Apr 02:30 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Vashon WA

Frost Advisory April 16, 01:00am until April 16, 09:00am

Click here for hazard details and duration

Frost Advisory

This Afternoon
High: 48 °F
Showers
Tonight
Low: 35 °F
Showers then
Patchy Frost
Thursday
High: 54 °F
Patchy Frost
then Mostly
Sunny
Thursday Night
Low: 40 °F
Partly Cloudy
Friday
High: 55 °F
Mostly Sunny
Friday Night
Low: 43 °F
Mostly Cloudy
Saturday
High: 61 °F
Mostly Cloudy
Saturday Night
Low: 48 °F
Slight Chance
Rain
Sunday
High: 63 °F
Slight Chance
Rain

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 48. Southwest wind around 9 mph becoming west northwest. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy frost after 2am. Low around 35. North northeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. South wind 5 to 7 mph.

Thursday Night

Partly cloudy, with a low around 40. South wind 5 to 7 mph.

Friday

Mostly sunny, with a high near 55. Light and variable wind.

Friday Night

Mostly cloudy, with a low around 43.

Saturday

Mostly cloudy, with a high near 61.

Saturday Night

A slight chance of rain after 11pm. Mostly cloudy, with a low around 48.