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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

43°F

6°C

Humidity 100%
Wind Speed NNE 4 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 19 Apr 07:15 AM PDT
Extended Forecast for

Chehalis WA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. West wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 61. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 61 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent 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. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 74. Light and variable wind.
Tonight
Mostly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 74. Light and variable wind.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 61. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 48.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 42.
Saturday
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 18, 2026
Forecast Valid:
7am PDT Apr 19, 2026-6pm PDT Apr 25, 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