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 92%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Mar 05:09 AM PDT
Extended Forecast for

2 Miles ENE Napavine WA

  • Today

    Today: Rain, mainly before 5pm.  Steady temperature around 53. South wind 6 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 11pm, then a slight chance of showers between 11pm and 4am.  Mostly cloudy, with a low around 36. Light west wind.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain and snow showers before 11am.  Partly sunny, with a high near 51. West northwest wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a slight chance of rain.  Partly sunny, with a high near 53. Light and variable wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

Today
Rain, mainly before 5pm. Steady temperature around 53. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain before 11pm, then a slight chance of showers between 11pm and 4am. Mostly cloudy, with a low around 36. Light west wind. Chance of precipitation is 30%.
Saturday
A slight chance of rain and snow showers before 11am. Partly sunny, with a high near 51. West northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 53. Light and variable wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Mostly cloudy, with a high near 54.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 40.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
1:53 am PDT Mar 20, 2026
6am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

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