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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Overcast

64°F

18°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 01:55 PM PDT
Extended Forecast for

Centralia WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind.

    High: 76 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 78. Light north wind.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Calm wind.
Tonight
Increasing clouds, with a low around 47. Calm wind.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 76. Calm wind.
Saturday Night
Increasing clouds, with a low around 48. Calm wind.
Sunday
Mostly sunny, with a high near 78. Light north wind.
Sunday Night
Mostly clear, with a low around 48.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Centralia WA
 46.72°N 122.97°W (Elev. 200 ft)
Last Update:
1:27 pm PDT Sep 18, 2026
Forecast Valid:
2pm PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation