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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

36°F

2°C

Humidity 95%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 17 Feb 06:09 AM PST
Extended Forecast for

2 Miles ENE Napavine WA

  • Today

    Today: Rain and snow likely before 1pm, then rain. High near 42. South wind 3 to 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely then
    Rain

  • Tonight

    Tonight: A slight chance of rain and snow before 3am, then a chance of snow after 4am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Slight Chance
    Rain then
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then snow likely, possibly mixed with rain between 10am and 1pm, then rain after 1pm. High near 41. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain before 7pm, then rain and snow. Low around 29. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 42. Light north northwest wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely before 10pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Today
Rain and snow likely before 1pm, then rain. High near 42. South wind 3 to 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of rain and snow before 3am, then a chance of snow after 4am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 10am, then snow likely, possibly mixed with rain between 10am and 1pm, then rain after 1pm. High near 41. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain before 7pm, then rain and snow. Low around 29. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 42. Light north northwest wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely before 10pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a low around 30.
Saturday
Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 46.
Saturday Night
Rain likely. Mostly cloudy, with a low around 34.
Sunday
Rain. Cloudy, with a high near 49.
Sunday Night
Rain. Mostly cloudy, with a low around 36.
Monday
Rain. Cloudy, with a high near 48.
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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:
1:26 am PST Feb 17, 2026
Forecast Valid:
6am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation