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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Partly Cloudy

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 09 Jan 09:35 AM PST
Extended Forecast for

Chehalis WA

  • Today

    Today: Partly sunny, with a high near 49. South southeast wind around 6 mph becoming calm in the afternoon.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly between 11pm and 3am. Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Dense Fog

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Areas of fog before 7am. Otherwise, cloudy, with a high near 49. South southeast wind 5 to 7 mph.

    High: 49 °F

    Slight Chance
    Rain and
    Areas Fog

  • Saturday Night

    Saturday Night: Rain likely. Patchy fog after 9pm. Otherwise, cloudy, with a low around 41. South southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely. Patchy fog before 2pm, then patchy fog after 3pm. Otherwise, cloudy, with a high near 49. South wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain. Patchy fog. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain. Cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 49. South southeast wind around 6 mph becoming calm in the afternoon.
Tonight
Widespread dense fog, mainly between 11pm and 3am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Saturday
A 20 percent chance of rain after 10am. Areas of fog before 7am. Otherwise, cloudy, with a high near 49. South southeast wind 5 to 7 mph.
Saturday Night
Rain likely. Patchy fog after 9pm. Otherwise, cloudy, with a low around 41. South southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Patchy fog before 2pm, then patchy fog after 3pm. Otherwise, cloudy, with a high near 49. South wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Patchy fog. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 53. Chance of precipitation is 80%.
Monday Night
A chance of rain. Cloudy, with a low around 47.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 50.
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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:
7:00 am PST Jan 9, 2026
Forecast Valid:
9am PST Jan 9, 2026-6pm PST Jan 15, 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