Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

73°F

23°C

Humidity 60%
Wind Speed NW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 17 Aug 07:55 PM PDT
Extended Forecast for

Chehalis WASimilar City Names

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, increasing clouds, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 53. West wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain before 11am.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 53. West wind around 6 mph becoming calm in the evening.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind.
Wednesday Night
Partly cloudy, with a low around 52. Calm wind.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A slight chance of rain before 11am. Mostly cloudy, with a high near 78.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 54.
Saturday
A slight chance of rain. Cloudy, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly cloudy, with a high near 76.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WASimilar City Names
 46.66°N 122.95°W (Elev. 420 ft)
11:26 am PDT Aug 17, 2026
8pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
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