Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for portions of the central and southern High Plains. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

57°F

14°C

Humidity 84%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 21 Apr 02:09 PM PDT
Extended Forecast for

6 Miles SE Napavine WA

  • This Afternoon

    This Afternoon: Rain likely, mainly before 5pm.  Mostly cloudy, with a high near 57. Light west wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly after 3am.  Cloudy, with a low around 45. West southwest wind around 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain, mainly before 1pm.  High near 54. Southwest wind 6 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 41. South wind 6 to 9 mph.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly before 5pm. Mostly cloudy, with a high near 57. Light west wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly after 3am. Cloudy, with a low around 45. West southwest wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 1pm. High near 54. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41. South wind 6 to 9 mph.
Thursday
Partly sunny, with a high near 61. Light and variable wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A slight chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
2:15 pm PDT Apr 21, 2026
2pm PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database