Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Overcast

41°F

5°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Apr 02:35 AM PDT
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Light west southwest wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after 11am.  High near 49. Light and variable wind becoming west 5 to 10 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 9pm.  Partly cloudy, with a low around 31. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 31 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Light west southwest wind.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 49. Light and variable wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 9pm. Partly cloudy, with a low around 31. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 56. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 65.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Partly sunny, with a high near 69.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.98°W (Elev. 177 ft)
1:16 am PDT Apr 15, 2026
2am PDT Apr 15, 2026-6pm PDT Apr 21, 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