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

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

38°F

3°C

Humidity 98%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 26 Dec 07:09 PM PST
Extended Forecast for

4 Miles WNW Winlock WA

  • Tonight

    Tonight: Rain and snow likely before 4am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 33. West wind around 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Increasing clouds, with a high near 39. West wind around 5 mph becoming calm in the morning.

    High: 39 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before noon. Otherwise, mostly cloudy, with a high near 41. Calm wind.

    High: 41 °F

    Areas Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 30. Light east northeast wind.

    Low: 30 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 42.

    High: 42 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 43.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and snow likely before 4am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 33. West wind around 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Increasing clouds, with a high near 39. West wind around 5 mph becoming calm in the morning.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Sunday
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 41. Calm wind.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 30. Light east northeast wind.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 42.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 30.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 44.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
New Year's Day
Rain likely. Cloudy, with a high near 44.
Thursday Night
Rain likely. Cloudy, with a low around 37.
Friday
Rain likely. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Winlock WA
 46.52°N 123.03°W (Elev. 912 ft)
Last Update:
7:01 pm PST Dec 26, 2025
Forecast Valid:
7pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation