Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

Lat: 46.97333°NLon: 122.90333°WElev: 203.0ft.

freezing fog

31°F

-1°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 30°F (-1°C)
Visibility -0.25 mi
Last update 19 Jan 07:54 AM PST
Extended Forecast for

Tumwater WA

  • M.L.King Day

    M.L.King Day: Patchy dense fog before 9am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am.  Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 4am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 29.

    Low: 29 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 32.

    Low: 32 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of rain after 4pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Slight
    Chance Rain

Detailed Forecast

M.L.King Day
Patchy dense fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 47. Calm wind.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 46. Calm wind.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 29. Calm wind.
Wednesday
Mostly sunny, with a high near 45. Calm wind.
Wednesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 29.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 45.
Thursday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 32.
Friday
A slight chance of rain after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 45.
Friday Night
A chance of rain, mainly after 10pm. Partly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 33.
Sunday
A chance of rain. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
7:01 am PST Jan 19, 2026
8am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database