Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

55°F

13°C

Humidity 96%
Wind Speed ESE 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 21 Sep 12:30 PM PDT
Extended Forecast for

6 Miles WSW Mossyrock WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Cloudy

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Light north wind.

    Low: 50 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 68. Light and variable wind.

    High: 68 °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. Calm wind.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 11am.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Thursday Night

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

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: A chance of rain.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 71. Calm wind.
Tonight
Increasing clouds, with a low around 50. Light north wind.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 68. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 45. Light and variable wind.
Wednesday
Partly sunny, with a high near 67. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 64.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 60.
Friday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Mossyrock WA
 46.51°N 122.62°W (Elev. 400 ft)
11:27 am PDT Sep 21, 2026
12pm PDT Sep 21, 2026-6pm PDT Sep 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database