Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Partly Cloudy

39°F

4°C

Humidity 86%
Wind Speed ESE 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 21 Jan 03:35 PM PST
Extended Forecast for

6 Miles WSW Tumwater WA

  • Tonight

    Tonight: Widespread dense fog before 9pm. Widespread dense freezing fog after 9pm.  Otherwise, partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Dense
    Freezing Fog
    and Dense Fog

  • Thursday

    Thursday: Widespread dense freezing fog before 11am. Mostly cloudy, with a high near 43. Calm wind.

    High: 43 °F

    Dense
    Freezing Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Light northeast wind.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow after 10pm.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Widespread dense fog before 9pm. Widespread dense freezing fog after 9pm. Otherwise, partly cloudy, with a low around 27. Calm wind.
Thursday
Widespread dense freezing fog before 11am. Mostly cloudy, with a high near 43. Calm wind.
Thursday Night
Mostly cloudy, with a low around 28. Calm wind.
Friday
Mostly sunny, with a high near 45. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 25. Light northeast wind.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
A slight chance of rain and snow after 10pm. Mostly cloudy, with a low around 27.
Monday
A slight chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 49.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Tumwater WA
 46.95°N 123.04°W (Elev. 200 ft)
1:25 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 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