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.

freezing fog

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 28°F (-2°C)
Visibility 0.25 mi
Last update 21 Jan 08:15 AM PST
Extended Forecast for

Chehalis WA

  • Today

    Today: Patchy fog between 10am and 11am. Widespread dense freezing fog, mainly before 9am.  Otherwise, sunny, with a high near 47. Calm wind.

    High: 47 °F

    Dense
    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly between 7pm and 10pm. Widespread dense freezing fog between 10pm 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 45. Calm wind.

    High: 45 °F

    Partly Sunny

  • Thursday Night

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

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Light north northeast wind.

    High: 44 °F

    Mostly Sunny

  • Friday Night

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

    Low: 25 °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
Patchy fog between 10am and 11am. Widespread dense freezing fog, mainly before 9am. Otherwise, sunny, with a high near 47. Calm wind.
Tonight
Widespread dense fog, mainly between 7pm and 10pm. Widespread dense freezing fog between 10pm and 11pm. Otherwise, increasing clouds, with a low around 28. Calm wind.
Thursday
Partly sunny, with a high near 45. Calm wind.
Thursday Night
Partly cloudy, with a low around 28. Calm wind.
Friday
Mostly sunny, with a high near 44. Light north northeast wind.
Friday Night
Mostly clear, with a low around 25.
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 30.
Monday
A chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A chance of rain. Mostly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.98°W (Elev. 177 ft)
7:01 am PST Jan 21, 2026
8am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database