Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

77°F

25°C

Humidity 53%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index79°F (26°C)
Last update 25 Aug 06:09 PM PDT
Extended Forecast for

6 Miles SE Napavine WA

  • Tonight

    Tonight: Increasing clouds, with a low around 51. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. West wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 79. Calm wind.
Wednesday Night
Partly cloudy, with a low around 52. Light and variable wind.
Thursday
Partly sunny, with a high near 73. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 69.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 73.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
12:45 pm PDT Aug 25, 2026
7pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database