Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

55°F

13°C

Humidity 35%
Wind Speed WNW 9 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 16 Apr 05:15 PM PDT
Extended Forecast for

Chehalis WA

Frost Advisory April 17, 01:00am until April 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Patchy frost after 4am.  Otherwise, partly cloudy, with a low around 35. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 8am.  Otherwise, increasing clouds, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Frost
    then
    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 11am.  Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 35. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Patchy frost before 8am. Otherwise, increasing clouds, with a high near 59. Calm wind.
Friday Night
Mostly cloudy, with a low around 38. Calm wind.
Saturday
Mostly cloudy, with a high near 68. Light and variable wind.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 71.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.98°W (Elev. 177 ft)
11:27 am PDT Apr 16, 2026
5pm PDT Apr 16, 2026-6pm PDT Apr 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