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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Mist

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 32°F (0°C)
Visibility 2.00 mi
Last update 20 Jan 11:15 AM PST
Extended Forecast for

Chehalis WA

  • Today

    Today: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog.  Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy 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 11am.  Otherwise, mostly sunny, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 29.

    Low: 29 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. Calm wind.
Tonight
Patchy fog. Otherwise, partly cloudy, with a low around 29. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 29. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 45. Calm wind.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 32.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 45.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 29.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 46.
Saturday Night
A slight chance of rain before 10pm, then rain likely, possibly mixed with snow. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 31.
Sunday
Rain likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
7:01 am PST Jan 20, 2026
11am PST Jan 20, 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