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.

freezing fog

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 32°F (0°C)
Visibility -0.25 mi
Last update 30 Dec 01:35 AM PST
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Areas Fog

  • Tuesday

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

    High: 43 °F

    Areas Dense
    Fog

  • Tuesday Night

    Tuesday Night: 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.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: Rain. Cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Friday Night

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

    Low: 41 °F

    Rain

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Tuesday
Areas of dense fog before noon, then areas of dense fog after 4pm. Otherwise, mostly sunny, with a high near 43. Calm wind.
Tuesday Night
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.
Thursday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%.
Friday
Rain. Cloudy, with a high near 49.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
1:25 am PST Dec 30, 2025
Forecast Valid:
1am 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