Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Fog

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Last update 28 Sep 07:15 AM PDT
Extended Forecast for

6 Miles WSW Chehalis WA

  • Today

    Today: Mostly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain after 5am.  Increasing clouds, with a low around 49. Light and variable wind becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 2pm.  Cloudy, with a high near 62. South wind 8 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm.  Patchy fog before 11pm, then patchy fog after 5am.  Otherwise, cloudy during the early evening, then gradual clearing, with a low around 45. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 45 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before noon.  Otherwise, mostly sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. Light and variable wind.
Tonight
A 30 percent chance of rain after 5am. Increasing clouds, with a low around 49. Light and variable wind becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Rain likely, mainly after 2pm. Cloudy, with a high near 62. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of rain before 11pm. Patchy fog before 11pm, then patchy fog after 5am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 45. South southwest wind around 6 mph becoming calm in the evening.
Wednesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Chehalis WA
 46.62°N 123.06°W (Elev. 200 ft)
11:26 pm PDT Sep 27, 2026
7am PDT Sep 28, 2026-6pm PDT Oct 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database