National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 564.0ft.

NA

33°F

1°C

Humidity 96%
Wind Speed ESE 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 15 Oct 03:00 AM PDT
Extended Forecast for

6 Miles ENE Onalaska WA

  • Overnight

    Overnight: Areas of frost after 4am. Otherwise, clear, with a steady temperature around 38. Light east wind.

    Low: 38 °F

    Areas Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 56. Light and variable wind.

    High: 56 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Overnight
Areas of frost after 4am. Otherwise, clear, with a steady temperature around 38. Light east wind.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 61. Calm wind.
Wednesday Night
Mostly clear, with a low around 37. Calm wind.
Thursday
Increasing clouds, with a high near 56. Light and variable wind.
Thursday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers before 11am. Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 60.
Saturday Night
Rain. Cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 52.
Sunday Night
Showers likely. Mostly cloudy, with a low around 41.
Monday
A chance of showers. Partly sunny, with a high near 54.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A chance of showers. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Onalaska WA
 46.6°N 122.62°W (Elev. 997 ft)
Last Update:
2:25 am PDT Oct 15, 2025
Forecast Valid:
3am PDT Oct 15, 2025-6pm PDT Oct 21, 2025
 
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