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Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

52°F

11°C

Humidity 97%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Sep 10:16 PM PDT
Extended Forecast for

6 Miles WSW Mossyrock WA

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, cloudy, then gradual clearing during the afternoon, with a high near 72. Calm wind.

    High: 72 °F

    Areas Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 50. Calm wind.

    Low: 50 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind.

    High: 69 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 49. Calm wind.
Monday
Areas of fog before 9am. Otherwise, cloudy, then gradual clearing during the afternoon, with a high near 72. Calm wind.
Monday Night
Increasing clouds, with a low around 50. Calm wind.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind.
Tuesday Night
Partly cloudy, with a low around 45. Light and variable wind.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A chance of rain, mainly after 11am. Cloudy, with a high near 63.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46.
Friday
Rain likely before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 60.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Mossyrock WA
 46.51°N 122.62°W (Elev. 400 ft)
Last Update:
1:05 pm PDT Sep 20, 2026
Forecast Valid:
10pm PDT Sep 20, 2026-6pm PDT Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation