Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Overcast

57°F

14°C

Humidity 100%
Wind Speed WSW 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Aug 05:15 AM PDT
Extended Forecast for

6 Miles WSW Chehalis WA

  • Today

    Today: Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. West wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind.

    High: 80 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Light west northwest wind.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 11pm.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

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

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. West wind around 6 mph becoming calm in the evening.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind.
Wednesday Night
Partly cloudy, with a low around 53. Light west northwest wind.
Thursday
Mostly sunny, with a high near 86. Calm wind.
Thursday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Chehalis WA
 46.62°N 123.06°W (Elev. 200 ft)
11:26 pm PDT Aug 17, 2026
5am PDT Aug 18, 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