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

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Mist

28°F

-2°C

Humidity NA
Wind Speed SSW 4 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint N/A
Visibility 6.00 mi
Wind Chill23°F (-5°C)
Last update NA
Extended Forecast for

Chehalis WA

  • Today

    Today: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Widespread dense fog before 9pm. Widespread dense freezing fog between 9pm and 11pm.  Otherwise, increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Dense
    Freezing Fog
    and Dense Fog
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Mostly Sunny

  • Friday Night

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

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 46. Calm wind.
Tonight
Widespread dense fog before 9pm. Widespread dense freezing fog between 9pm and 11pm. Otherwise, increasing clouds, with a low around 28. Calm wind.
Thursday
Partly sunny, with a high near 44. Calm wind.
Thursday Night
Partly cloudy, with a low around 27. Calm wind.
Friday
Mostly sunny, with a high near 43. Calm wind.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 29.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain. Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
7:01 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 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