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Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

50°F

10°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Apr 09:55 AM PDT
Extended Forecast for

Chehalis WA

  • Today

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

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: 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. Light and variable wind.

    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 50 percent 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

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 70. Light south wind.
Tonight
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. Light and variable wind.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 47.
Tuesday
A 50 percent 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 before 11pm. 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
11:26 pm PDT Apr 17, 2026
Forecast Valid:
10am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation