Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

53°F

12°C

Humidity 99%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 20 Mar 11:09 AM PDT
Extended Forecast for

6 Miles SE Napavine WA

  • Today

    Today: Rain, mainly before 4pm.  High near 55. South southwest wind 3 to 6 mph.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Tonight

    Tonight: A 30 percent chance of rain before 7pm.  Mostly cloudy, with a low around 34. Light west northwest wind.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain and snow before 11am.  Partly sunny, with a high near 53. Light and variable wind.  Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

Today
Rain, mainly before 4pm. High near 55. South southwest wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 34. Light west northwest wind.
Saturday
Mostly sunny, with a high near 50. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 31. West northwest wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 53. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Mostly cloudy, with a high near 53.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 39.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain. Cloudy, with a low around 40.
Wednesday
Rain. Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain and snow. Partly cloudy, with a low around 32.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
11:27 am PDT Mar 20, 2026
11am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database