Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Mostly Cloudy

63°F

17°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 10:55 PM PDT
Extended Forecast for

Chehalis WASimilar City Names

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the morning.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 53. West wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 11am.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 54. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the morning.
Thursday Night
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 53. West wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.
Friday Night
Partly cloudy, with a low around 50. West northwest wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Mostly cloudy, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WASimilar City Names
 46.66°N 122.95°W (Elev. 420 ft)
12:55 pm PDT Aug 26, 2026
11pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database