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 100%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 03 Dec 11:09 PM PST
Extended Forecast for

2 Miles ENE Napavine WA

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. High near 46. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Steady temperature around 46. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: Rain. High near 53. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 43. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: Rain. High near 50. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 53.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 37. Calm wind.
Thursday
Rain. High near 46. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Steady temperature around 46. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 53. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 43. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 50. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 44. Chance of precipitation is 90%.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain, mainly before 10pm. Cloudy, with a low around 45.
Monday
Rain. Cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Cloudy, with a low around 44.
Wednesday
Rain. Cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
Last Update:
7:00 pm PST Dec 3, 2025
Forecast Valid:
11pm PST Dec 3, 2025-6pm PST Dec 10, 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