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

Chehalis-Centralia Airport (KCLS)

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

Clear

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Last update 18 Jan 07:35 PM PST
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Areas of dense fog before 10am.  Otherwise, mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy dense fog.  Otherwise, partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 10am.  Otherwise, mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Areas of dense fog before 2am, then patchy dense fog after 3am.  Otherwise, partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 10am.  Otherwise, partly sunny, with a high near 47.

    High: 47 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 1am.  Otherwise, mostly cloudy, with a low around 32.

    Low: 32 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of rain after 4pm.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 28. Calm wind.
M.L.King Day
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind.
Monday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 28. Calm wind.
Tuesday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind.
Tuesday Night
Areas of dense fog before 2am, then patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 30. Calm wind.
Wednesday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 47.
Wednesday Night
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 32.
Thursday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 37.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 37.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
7:01 pm PST Jan 18, 2026
7pm 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