National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

39°F

4°C

Humidity 88%
Wind Speed SSE 1 MPH
Barometer 29.32 in (992.89 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 17 Feb 09:30 AM PST
Extended Forecast for

Sammamish WA

  • Today

    Today: A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 44. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A slight chance of rain and snow before 10pm, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. Mostly cloudy, with a high near 43. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 42. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 44. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A slight chance of rain and snow before 10pm, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. Mostly cloudy, with a high near 43. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 42. Light and variable wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 37.
Monday
Rain likely. Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
Last Update:
7:01 am PST Feb 17, 2026
Forecast Valid:
10am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation