National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Fog

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 34°F (1°C)
Visibility -0.25 mi
Last update 30 Dec 10:15 AM PST
Extended Forecast for

Chehalis WA

  • Today

    Today: Patchy fog before noon, then areas of fog after 4pm. Otherwise, mostly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Areas Fog

  • Tonight

    Tonight: Areas of dense fog. Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am, then patchy fog after 5pm. Otherwise, mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • New Year's Day

    New Year's Day: A 40 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 46. Calm wind.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain

Detailed Forecast

Today
Patchy fog before noon, then areas of fog after 4pm. Otherwise, mostly sunny, with a high near 43. Calm wind.
Tonight
Areas of dense fog. Otherwise, partly cloudy, with a low around 31. Calm wind.
Wednesday
Patchy fog before 9am, then patchy fog after 5pm. Otherwise, mostly sunny, with a high near 47. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.
New Year's Day
A 40 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 46. Calm wind.
Thursday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 41.
Saturday
Rain. Mostly cloudy, with a high near 48.
Saturday Night
Rain likely. Mostly cloudy, with a low around 40.
Sunday
Rain likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
7:01 am PST Dec 30, 2025
Forecast Valid:
10am PST Dec 30, 2025-6pm PST Jan 5, 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