Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 02:35 AM PDT
Extended Forecast for

Chehalis WA

  • Overnight

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

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Light south wind.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 45. Light and variable wind.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 74. Light north wind.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Light northwest wind.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Calm wind.
Saturday
Mostly sunny, with a high near 70. Light south wind.
Saturday Night
Increasing clouds, with a low around 45. Light and variable wind.
Sunday
Mostly cloudy, with a high near 74. Light north wind.
Sunday Night
Mostly cloudy, with a low around 48. Light northwest wind.
Monday
Mostly cloudy, with a high near 72.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 58.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
11:26 pm PDT Apr 17, 2026
2am PDT Apr 18, 2026-6pm PDT Apr 24, 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