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

57°F

14°C

Humidity 99%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 29 Sep 10:09 PM PDT
Extended Forecast for

Winlock WA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. South southeast wind around 7 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 2pm. Areas of fog before 9am. High near 66. Southeast wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Slight Chance
    Rain and
    Areas Fog
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then rain after 11pm. Low around 50. South wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 8am. High near 64. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers. Low around 49. South wind 9 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Showers. High near 62. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. South southeast wind around 7 mph, with gusts as high as 22 mph.
Tuesday
Rain, mainly after 2pm. Areas of fog before 9am. High near 66. Southeast wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then rain after 11pm. Low around 50. South wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 8am. High near 64. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 49. South wind 9 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 62. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.
Friday
A slight chance of showers. Partly sunny, with a high near 65.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
A chance of showers, mainly before 11am. Partly sunny, with a high near 64.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winlock WA
 46.49°N 122.93°W (Elev. 400 ft)
Last Update:
8:01 pm PDT Sep 29, 2025
Forecast Valid:
10pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

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Chance of Precipitation