Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Partly Cloudy

64°F

18°C

Humidity 93%
Wind Speed NE 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 11:15 AM PDT
Extended Forecast for

Chehalis WA

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 53. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 54. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 53. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 54. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 80. Calm wind.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly cloudy, with a high near 81.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly cloudy, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.98°W (Elev. 177 ft)
3:02 am PDT Aug 17, 2026
11am PDT Aug 17, 2026-6pm PDT Aug 23, 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