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, Seattle-Tacoma International Airport (KSEA)

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

Mostly Cloudy

50°F

10°C

Humidity 66%
Wind Speed SSW 16 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Apr 10:35 AM PDT
Extended Forecast for

5 Miles WSW Des Moines WA

  • Today

    Today: A 40 percent chance of rain, mainly after 4pm.  Partly sunny, with a high near 55. Southwest wind 11 to 13 mph.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of rain after 3am.  Increasing clouds, with a low around 45. South southwest wind around 13 mph.  Chance of precipitation is 40%.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 50. South southwest wind 14 to 20 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm.  Low around 39. South southwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain before 2pm, then showers and possibly a thunderstorm, mainly after 2pm.  High near 51. Southwest wind 6 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely between 8pm and 11pm.  Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 55. Southwest wind 11 to 13 mph.
Tonight
A chance of rain before 11pm, then a chance of rain after 3am. Increasing clouds, with a low around 45. South southwest wind around 13 mph. Chance of precipitation is 40%.
Tuesday
Rain. High near 50. South southwest wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 11pm. Low around 39. South southwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 51. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely between 8pm and 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. 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.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Des Moines WA
 47.38°N 122.41°W (Elev. 351 ft)
11:27 pm PDT Apr 12, 2026
10am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database