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

40°F

4°C

Humidity 100%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 03 Dec 03:09 AM PST
Extended Forecast for

4 Miles WNW Winlock WA

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of rain between 8am and 10am. Patchy fog between 1pm and 2pm. Otherwise, mostly cloudy, with a high near 43. Calm wind. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after 1am. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain. High near 44. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 42. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 51. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind.
Wednesday
A slight chance of rain between 8am and 10am. Patchy fog between 1pm and 2pm. Otherwise, mostly cloudy, with a high near 43. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of rain, mainly after 1am. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 39. Light and variable wind.
Thursday
Rain. High near 44. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 42. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 51. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 45. Chance of precipitation is 90%.
Saturday
Rain. Cloudy, with a high near 49.
Saturday Night
Rain. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain likely. Cloudy, with a high near 52.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 52.
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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:
1:25 am PST Dec 3, 2025
Forecast Valid:
3am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
Forecast Discussion
 
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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