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

65°F

18°C

Humidity 57%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 30 Sep 12:09 PM PDT
Extended Forecast for

Winlock WA

  • This Afternoon

    This Afternoon: Rain, mainly after 1pm. High near 66. South wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 50. South wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. High near 64. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Low around 49. South wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Rain before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

This Afternoon
Rain, mainly after 1pm. High near 66. South wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 50. South wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 64. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and possibly a thunderstorm before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Low around 49. South wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 66.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46.
Saturday
A slight chance of rain before 11am. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 70.
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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 am PDT Sep 30, 2025
Forecast Valid:
12pm PDT Sep 30, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation