Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

50°F

10°C

Humidity 84%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 28 Nov 11:09 AM PST
Extended Forecast for

5 Miles SSW Onalaska WA

  • Today

    Today: Patchy fog after 5pm.  Otherwise, partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy dense fog before 10pm.  Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm.  Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 10am.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Patchy fog after 5pm. Otherwise, partly sunny, with a high near 54. Light and variable wind.
Tonight
Patchy dense fog before 10pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Saturday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 48. Calm wind.
Saturday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 31. Calm wind.
Sunday
Partly sunny, with a high near 48. Calm wind.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 47.
Monday Night
Rain likely. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Onalaska WA
 46.5°N 122.74°W (Elev. 305 ft)
9:23 am PST Nov 28, 2025
11am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
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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