Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

59°F

15°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Aug 03:15 AM PDT
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 1am.  Cloudy, with a low around 57. Light west northwest wind.

    Low: 57 °F

    Cloudy then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 9am.  Mostly cloudy, with a high near 73. Calm wind.

    High: 73 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind.
Friday
Mostly cloudy, with a high near 83. Calm wind.
Friday Night
A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 57. Light west northwest wind.
Saturday
A 40 percent chance of rain, mainly before 9am. Mostly cloudy, with a high near 73. Calm wind.
Saturday Night
Mostly cloudy, with a low around 55. Light and variable wind.
Sunday
Mostly cloudy, with a high near 74.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
11:26 pm PDT Aug 20, 2026
3am PDT Aug 21, 2026-6pm PDT Aug 27, 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