Current conditions at

CHEHALIS (CLSW1)

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

NA

70°F

21°C

Humidity 58%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 24 Aug 11:09 PM PDT
Extended Forecast for

4 Miles ESE Napavine WA

  • Tonight

    Tonight: Patchy smoke before 3am. Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight.  Otherwise, increasing clouds, with a low around 51. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before 3am. Mostly clear, with a low around 56. Calm wind.
Tuesday
Sunny, with a high near 85. Light and variable wind.
Tuesday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 78. Calm wind.
Wednesday Night
Partly cloudy, with a low around 52. Calm wind.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Napavine WA
 46.55°N 122.82°W (Elev. 440 ft)
11:26 pm PDT Aug 24, 2026
11pm PDT Aug 24, 2026-6pm PDT Aug 31, 2026
 
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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