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

CHEHALIS (CLSW1)

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

NA

68°F

20°C

Humidity 60%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 21 Sep 02:09 PM PDT
Extended Forecast for

Winlock WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. Light northwest wind.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 49 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm  after midnight.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after 11am.  Mostly 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

  • Friday

    Friday: A chance of rain, mainly before 11am.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. Light northwest wind.
Tonight
Increasing clouds, with a low around 49. West northwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 68. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 63.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46.
Friday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 61.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Winlock WA
 46.49°N 122.93°W (Elev. 400 ft)
11:27 am PDT Sep 21, 2026
2pm PDT Sep 21, 2026-6pm PDT Sep 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database