Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

66°F

19°C

Humidity 76%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 17 Aug 10:09 PM PDT
Extended Forecast for

Vader WA

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Light and variable wind.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 51. Light north wind.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain before 11am.  Mostly cloudy, with a high near 81.

    High: 81 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 51. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Light and variable wind.
Tuesday Night
Increasing clouds, with a low around 51. Light north wind.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind.
Wednesday Night
Partly cloudy, with a low around 52. Calm wind.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A slight chance of rain before 11am. Mostly cloudy, with a high near 81.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 74.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly cloudy, with a high near 78.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Vader WA
 46.4°N 122.96°W (Elev. 210 ft)
11:26 am PDT Aug 17, 2026
10pm PDT Aug 17, 2026-6pm PDT Aug 24, 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