Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

49°F

9°C

Humidity 97%
Wind Speed WNW 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 19 Aug 02:00 AM PDT
Extended Forecast for

Mossyrock WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 82.

    High: 82 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before 11am.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 53. Calm wind.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind.
Wednesday Night
Partly cloudy, with a low around 54. Calm wind.
Thursday
Mostly sunny, with a high near 83. Calm wind.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Mostly cloudy, with a high near 82.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A chance of rain before 11am. Mostly cloudy, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly cloudy, with a high near 73.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Mossyrock WA
 46.53°N 122.5°W (Elev. 771 ft)
11:26 pm PDT Aug 18, 2026
2am PDT Aug 19, 2026-6pm PDT Aug 25, 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