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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

65°F

18°C

Humidity 66%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 28 Aug 11:09 AM PDT
Extended Forecast for

3 Miles NE Winlock WA

  • Today

    Today: Mostly sunny, with a high near 72. Light west northwest wind.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain after 5am. Increasing clouds, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 69 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 47. West wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 71. Calm wind.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Mostly cloudy, with a high near 73.

    High: 73 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 72. Light west northwest wind.
Tonight
A 30 percent chance of rain after 5am. Increasing clouds, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of rain between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 47. West wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 71. Calm wind.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 48.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A slight chance of rain after 11am. Mostly cloudy, with a high near 73.
Tuesday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 51.
Wednesday
Rain. Cloudy, with a high near 64.
Wednesday Night
Rain. Mostly cloudy, with a low around 49.
Thursday
Rain likely. Mostly cloudy, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Winlock WA
 46.52°N 122.87°W (Elev. 495 ft)
Last Update:
11:26 am PDT Aug 28, 2026
Forecast Valid:
11am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation