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

37°F

3°C

Humidity 94%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 17 Feb 05:09 AM PST
Extended Forecast for

6 Miles SE Napavine WA

  • Overnight

    Overnight: Snow likely, possibly mixed with rain. Cloudy, with a low around 29. Light south southeast wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow likely before 1pm, then rain. High near 41. South wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a chance of snow after 1am. 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

    Chance Rain
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then snow, possibly mixed with rain between 10am and 1pm, then rain after 1pm. High near 40. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain before 7pm, then rain, possibly mixed with snow. Low around 28. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °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 41. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 41 °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 40.

    High: 40 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Snow likely, possibly mixed with rain. Cloudy, with a low around 29. Light south southeast wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain and snow likely before 1pm, then rain. High near 41. South wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain before 10pm, then a chance of snow after 1am. 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, possibly mixed with rain between 10am and 1pm, then rain after 1pm. High near 40. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain before 7pm, then rain, possibly mixed with snow. Low around 28. 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 41. Chance of precipitation is 50%. 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 40.
Friday Night
Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 29.
Saturday
Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 45.
Saturday Night
Rain likely. Mostly cloudy, with a low around 34.
Sunday
Rain. Cloudy, with a high near 48.
Sunday Night
Rain. Mostly cloudy, with a low around 35.
Monday
Rain. Cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
Last Update:
1:26 am PST Feb 17, 2026
Forecast Valid:
5am 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