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

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 27 Feb 01:55 AM PST
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind becoming south around 5 mph in the morning.

    High: 52 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy fog. Otherwise, increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. North northeast wind 5 to 9 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. North northeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 35.

    Low: 35 °F

    Patchy Fog

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 39. Calm wind.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind becoming south around 5 mph in the morning.
Friday Night
Patchy fog. Otherwise, increasing clouds, with a low around 33. Calm wind.
Saturday
Mostly cloudy, with a high near 52. North northeast wind 5 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 34. North northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 33.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 57.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 35.
Tuesday
Rain likely, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 44.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 52.
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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:
1:26 am PST Feb 27, 2026
Forecast Valid:
2am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
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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