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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Overcast

52°F

11°C

Humidity 93%
Wind Speed SSW 5 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 Jan 08:55 PM PST
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 2pm, then patchy fog after 4pm. Otherwise, partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 2pm. Otherwise, partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Dense
    Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Light north wind.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Tuesday
Patchy fog before 2pm, then patchy fog after 4pm. Otherwise, partly sunny, with a high near 55. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Wednesday
Patchy dense fog before 2pm. Otherwise, partly sunny, with a high near 51. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 40. Light north wind.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 52.
Friday Night
Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 33.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 52.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 33.
Sunday
Sunny, with a high near 51.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 34.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.98°W (Elev. 177 ft)
Last Update:
7:01 pm PST Jan 12, 2026
Forecast Valid:
9pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation