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

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 30°F (-1°C)
Visibility 0.24 mi
Last update 18 Jan 09:30 PM PST
Extended Forecast for

3 Miles NW Tumwater WA

  • Tonight

    Tonight: Areas of dense fog after 4am.  Otherwise, partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy
    then Areas
    Dense Fog

  • M.L.King Day

    M.L.King Day: Areas of dense fog before 10am.  Otherwise, mostly sunny, with a high near 47. Light north northeast wind.

    High: 47 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy dense fog after midnight.  Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Tuesday

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

    High: 47 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog before 2am, then patchy dense fog after 3am.  Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Areas of dense fog before 10am.  Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 4pm.  Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Areas of dense fog after 4am. Otherwise, partly cloudy, with a low around 26. Calm wind.
M.L.King Day
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 47. Light north northeast wind.
Monday Night
Patchy dense fog after midnight. Otherwise, partly cloudy, with a low around 29. Calm wind.
Tuesday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 47. Light northeast wind.
Tuesday Night
Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Wednesday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Tumwater WA
 47.02°N 122.96°W (Elev. 259 ft)
7:01 pm PST Jan 18, 2026
9pm PST Jan 18, 2026-6pm PST Jan 25, 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