Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

35°F

2°C

Humidity 100%
Wind Speed ENE 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 27 Dec 05:00 AM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Overnight

    Overnight: A slight chance of rain and snow showers.  Patchy fog.  Otherwise, mostly cloudy, with a low around 31. Light southwest wind.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of rain and snow showers, mainly between 3pm and 4pm.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 41. Light west wind.  Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 10pm.  Patchy fog.  Otherwise, mostly cloudy, with a low around 32. Calm wind.  Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before noon, then patchy fog after 5pm.  Otherwise, partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Areas Fog

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 11am, then patchy fog after 4pm.  Otherwise, mostly cloudy, with a high near 45.

    High: 45 °F

    Areas Fog

  • Monday Night

    Monday Night: Areas of fog.  Otherwise, mostly cloudy, with a low around 31.

    Low: 31 °F

    Areas Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

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

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain and snow showers. Patchy fog. Otherwise, mostly cloudy, with a low around 31. Light southwest wind. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow showers, mainly between 3pm and 4pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 41. Light west wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow showers before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 20%.
Sunday
Areas of fog before noon, then patchy fog after 5pm. Otherwise, partly sunny, with a high near 42. Calm wind.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Monday
Areas of fog before 11am, then patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 45.
Monday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 31.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A slight chance of rain after 10am. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
New Year's Day
Rain likely. Cloudy, with a high near 47.
Thursday Night
Rain. Cloudy, with a low around 38.
Friday
Rain likely. Cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
3:12 am PST Dec 27, 2025
5am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database