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.

Mist

39°F

4°C

Humidity 95%
Wind Speed E 3 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 38°F (3°C)
Visibility 1.00 mi
Last update 19 Jan 03:25 PM PST
Extended Forecast for

6 Miles WSW Tumwater WA

  • Tonight

    Tonight: Areas of dense freezing fog after 4am. Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy
    then Areas
    Dense
    Freezing Fog

  • Tuesday

    Tuesday: Areas of dense fog between 10am and 3pm. Areas of dense freezing fog before 10am.  Otherwise, partly sunny, with a high near 47. Light northeast wind.

    High: 47 °F

    Areas Dense
    Freezing Fog
    and Areas
    Dense Fog

  • Tuesday Night

    Tuesday Night: Areas of dense freezing fog after 10pm. Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Areas Dense
    Freezing Fog

  • Wednesday

    Wednesday: Areas of dense fog between noon and 3pm. Areas of dense freezing fog before noon.  Otherwise, mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Areas Dense
    Freezing Fog
    and Areas
    Dense Fog

  • Wednesday Night

    Wednesday Night: Areas of dense freezing fog after 10pm. Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Areas Dense
    Freezing Fog

  • Thursday

    Thursday: Areas of dense freezing fog before 11am. Partly sunny, with a high near 46.

    High: 46 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 32.

    Low: 32 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of dense freezing fog after 4am. Partly cloudy, with a low around 28. Calm wind.
Tuesday
Areas of dense fog between 10am and 3pm. Areas of dense freezing fog before 10am. Otherwise, partly sunny, with a high near 47. Light northeast wind.
Tuesday Night
Areas of dense freezing fog after 10pm. Partly cloudy, with a low around 30. Calm wind.
Wednesday
Areas of dense fog between noon and 3pm. Areas of dense freezing fog before noon. Otherwise, mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Areas of dense freezing fog after 10pm. Partly cloudy, with a low around 29. Calm wind.
Thursday
Areas of dense freezing fog before 11am. Partly sunny, with a high near 46.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 32.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Tumwater WA
 46.95°N 123.04°W (Elev. 200 ft)
2:44 pm PST Jan 19, 2026
3pm PST Jan 19, 2026-6pm PST Jan 26, 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