Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

59°F

15°C

Humidity 58%
Wind Speed N 10 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Oct 12:55 PM PDT
Extended Forecast for

Chehalis WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. North wind around 7 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of fog after 3am.  Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy
    then Areas
    Fog

  • Monday

    Monday: Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 61. Calm wind.

    High: 61 °F

    Areas Fog
    then Cloudy

  • Monday Night

    Monday Night: Areas of fog after 1am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 37. Light north wind.

    Low: 37 °F

    Mostly Cloudy
    then Areas
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Patchy frost before 9am.  Otherwise, sunny, with a high near 62. Light north wind becoming north northeast 5 to 9 mph in the morning.

    High: 62 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Patchy frost after 5am.  Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Patchy frost before 9am.  Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 11am.  Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. North wind around 7 mph.
Tonight
Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Monday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 61. Calm wind.
Monday Night
Areas of fog after 1am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 37. Light north wind.
Tuesday
Patchy fog before 8am. Patchy frost before 9am. Otherwise, sunny, with a high near 62. Light north wind becoming north northeast 5 to 9 mph in the morning.
Tuesday Night
Patchy fog after 2am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Wednesday
Areas of fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A slight chance of showers after 11am. Partly sunny, with a high near 60.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 37.
Friday
A slight chance of showers. Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of showers. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
11:25 am PDT Oct 18, 2026
2pm PDT Oct 18, 2026-6pm PDT Oct 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