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Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

29°F

-2°C

Humidity 100%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 18 Jan 03:09 AM PST
Extended Forecast for

2 Miles ENE Napavine WA

  • Overnight

    Overnight: Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Patchy fog before 9am. Otherwise, sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog between 1am and 2am. Otherwise, mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between midnight and 1am. Otherwise, partly cloudy, with a low around 32.

    Low: 32 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 32. Calm wind.
Sunday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 49. Calm wind.
Sunday Night
Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, mostly clear, with a low around 30. Calm wind.
M.L.King Day
Patchy fog before 9am. Otherwise, sunny, with a high near 49. Calm wind.
Monday Night
Patchy fog between 1am and 2am. Otherwise, mostly clear, with a low around 30. Calm wind.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Patchy fog between midnight and 1am. Otherwise, partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A slight chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 33.
Thursday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
Rain likely. Mostly cloudy, with a high near 46.
Friday Night
Rain likely. Mostly cloudy, with a low around 34.
Saturday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
Last Update:
1:27 am PST Jan 18, 2026
Forecast Valid:
3am PST Jan 18, 2026-6pm PST Jan 24, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation