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Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

40°F

4°C

Humidity 89%
Wind Speed N 11 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 15 Feb 05:30 AM PST
Extended Forecast for

Mountlake Terrace WA

  • Today

    Today: Sunny, with a high near 45. North wind 3 to 5 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: A chance of rain and snow after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Rain and snow before 1pm, then rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 42. South wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 4am, then a chance of snow. Mostly cloudy, with a low around 31. South southeast wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 44. Light south southeast wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm. Partly sunny, with a high near 42. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 41.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 45. North wind 3 to 5 mph.
Tonight
A chance of rain and snow after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Washington's Birthday
Rain and snow before 1pm, then rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 42. South wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 4am, then a chance of snow. Mostly cloudy, with a low around 31. South southeast wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 44. Light south southeast wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm. Partly sunny, with a high near 42. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 31.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 41.
Thursday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountlake Terrace WA
 47.78°N 122.31°W (Elev. 374 ft)
Last Update:
1:26 am PST Feb 15, 2026
Forecast Valid:
6am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation