Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

53°F

12°C

Humidity 91%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 27 Jun 05:09 AM PDT
Extended Forecast for

3 Miles SSW Napavine WA

  • Overnight

    Overnight: A 30 percent chance of rain.  Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: Rain and possibly a thunderstorm before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm.  High near 63. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of rain before 7pm.  Increasing clouds, with a low around 47. Light and variable wind.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain between noon and 1pm.  Mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 48. West wind around 6 mph becoming calm  in the evening.

    Low: 48 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of rain.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 47. Calm wind.
Saturday
Rain and possibly a thunderstorm before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 63. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 10 percent chance of rain before 7pm. Increasing clouds, with a low around 47. Light and variable wind.
Sunday
A slight chance of rain between noon and 1pm. Mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of rain after 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65.
Monday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48.
Tuesday
A slight chance of rain after 11am. Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 63.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Napavine WA
 46.53°N 122.94°W (Elev. 400 ft)
11:27 pm PDT Jun 26, 2026
5am PDT Jun 27, 2026-6pm PDT Jul 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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