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 >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

41°F

5°C

Humidity	92%
Wind Speed	E 3 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	39°F (4°C)
Visibility	NA
Last update	15 Apr 04:30 PM PDT

More Information:

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

Extended Forecast for

Sammamish WA

This Afternoon
High: 48 °F
Showers
Likely
Tonight
Low: 35 °F
Rain/Snow
then Slight
Chance
Showers
Thursday
High: 55 °F
Patchy Frost
then Mostly
Sunny
Thursday Night
Low: 39 °F
Mostly Cloudy
Friday
High: 58 °F
Partly Sunny
Friday Night
Low: 40 °F
Mostly Cloudy
Saturday
High: 65 °F
Mostly Cloudy
Saturday Night
Low: 46 °F
Slight Chance
Rain
Sunday
High: 67 °F
Slight Chance
Rain

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 48. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain and snow showers before 11pm, then a slight chance of rain showers between 11pm and 1am. Some thunder is also possible. Patchy frost after 1am. Low around 35. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday

Patchy frost between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. Light and variable wind.

Thursday Night

Mostly cloudy, with a low around 39. Light south wind.

Friday

Partly sunny, with a high near 58. Calm wind.

Friday Night

Mostly cloudy, with a low around 40.

Saturday

Mostly cloudy, with a high near 65.

Saturday Night

A slight chance of rain after 11pm. Mostly cloudy, with a low around 46.