Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

50°F

10°C

Humidity	84%
Wind Speed	SSW 8 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	45°F (7°C)
Visibility	NA
Wind Chill	47°F (8°C)
Last update	13 Apr 11:30 AM PDT

More Information:

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

Extended Forecast for

Sammamish WA

This Afternoon
High: 53 °F
Rain Likely
Tonight
Low: 43 °F
Rain Likely
Tuesday
High: 49 °F
Rain
Tuesday Night
Low: 37 °F
Rain then
Rain Likely
Wednesday
High: 50 °F
Showers
Wednesday Night
Low: 36 °F
Rain Likely
then Mostly
Cloudy
Thursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 39 °F
Partly Cloudy
Friday
High: 57 °F
Partly Sunny

Detailed Forecast

This Afternoon

Rain likely, mainly after 5pm. Mostly cloudy, with a high near 53. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain likely, mainly before 2am. Mostly cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain, mainly after 9am. High near 49. South southwest wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night

Rain. Low around 37. South southwest wind 8 to 13 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 50. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Rain likely before 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Mostly sunny, with a high near 56.

Thursday Night

Partly cloudy, with a low around 39.

Friday

Partly sunny, with a high near 57.

Friday Night

Mostly cloudy, with a low around 38.

Saturday

Mostly cloudy, with a high near 62.

Saturday Night

A chance of rain. Mostly cloudy, with a low around 44.