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	85%
Wind Speed	WNW 2 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	15 Apr 09:30 AM PDT

More Information:

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

Extended Forecast for

Sammamish WA

Today
High: 49 °F
Chance
Showers then
Showers
Tonight
Low: 35 °F
Rain then
Slight Chance
Rain
Thursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 40 °F
Mostly Cloudy
Friday
High: 58 °F
Partly Sunny
Friday Night
Low: 40 °F
Mostly Cloudy
Saturday
High: 66 °F
Mostly Cloudy
Saturday Night
Low: 46 °F
Chance Rain
Sunday
High: 66 °F
Chance Rain

Detailed Forecast

Today

Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 49. Light and variable wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain and possibly a thunderstorm before 11pm, then a slight chance of rain between 11pm and 1am. Low around 35. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 56. Light and variable wind.

Thursday Night

Mostly cloudy, with a low around 40. 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 66.

Saturday Night

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