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

Hazardous Weather Conditions

Current conditions at

CHEHALIS (CLSW1)

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

NA

51°F

11°C

Humidity 84%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 05 Dec 09:09 PM PST
Extended Forecast for

Winlock WA

Flood Watch December 8, 04:00am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Rain, mainly after midnight. Steady temperature around 46. South southwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 51. South wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 43. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain. High near 52. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 45. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain then
    Rain Likely

  • Monday

    Monday: Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 52.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after midnight. Steady temperature around 46. South southwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 51. South wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain. Low around 43. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 52. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 45. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain. Low around 47. Chance of precipitation is 100%.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain. Cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 53.
Wednesday Night
Rain. Cloudy, with a low around 45.
Thursday
Rain. Cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winlock WA
 46.49°N 122.93°W (Elev. 400 ft)
Last Update:
9:56 pm PST Dec 5, 2025
Forecast Valid:
10pm PST Dec 5, 2025-6pm PST Dec 12, 2025
 
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