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

Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Overcast

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 26 Feb 10:35 PM PST
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: A 20 percent chance of rain after 2am. Mostly cloudy, with a steady temperature around 39. South southeast wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 50. South wind 5 to 7 mph becoming west in the afternoon.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. North northeast wind 3 to 8 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. North northeast wind 3 to 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Patchy Fog

Detailed Forecast

Tonight
A 20 percent chance of rain after 2am. Mostly cloudy, with a steady temperature around 39. South southeast wind around 6 mph.
Friday
Mostly cloudy, with a high near 50. South wind 5 to 7 mph becoming west in the afternoon.
Friday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Saturday
Mostly cloudy, with a high near 50. North northeast wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 32. North northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 55.
Sunday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 31.
Monday
Sunny, with a high near 57.
Monday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 34.
Tuesday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 56.
Tuesday Night
Rain likely. Cloudy, with a low around 43.
Wednesday
Rain. Cloudy, with a high near 51.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thursday
A chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
Last Update:
7:01 pm PST Feb 26, 2026
Forecast Valid:
10pm PST Feb 26, 2026-6pm PST Mar 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