National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

82°F

28°C

Humidity 59%
Wind Speed W 1 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 66°F (19°C)
Visibility NA
Heat Index84°F (29°C)
Last update 25 Aug 02:45 PM PDT
Extended Forecast for

Mossyrock WA

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. Calm wind.
Wednesday
Mostly sunny, with a high near 76. Light and variable wind.
Wednesday Night
Increasing clouds, with a low around 51. Calm wind.
Thursday
Partly sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. Light and variable wind.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 69.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Mostly cloudy, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mossyrock WA
 46.53°N 122.47°W (Elev. 676 ft)
Last Update:
12:45 pm PDT Aug 25, 2026
Forecast Valid:
3pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation