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

Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

39°F

4°C

Humidity 100%
Wind Speed W 0 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 15 Jan 01:45 AM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 50. Light north wind.

    High: 50 °F

    Patchy Dense
    Fog

  • Thursday Night

    Thursday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 8am. Otherwise, sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy fog between 7pm and 8pm. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog
    then Mostly
    Clear

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Patchy Fog

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 38. Calm wind.
Thursday
Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 50. Light north wind.
Thursday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 33. Calm wind.
Friday
Patchy dense fog before 8am. Otherwise, sunny, with a high near 50. Calm wind.
Friday Night
Patchy fog between 7pm and 8pm. Otherwise, mostly clear, with a low around 33. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 50.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 32.
Sunday
Sunny, with a high near 50.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 32.
M.L.King Day
Patchy fog before 9am. Otherwise, sunny, with a high near 50.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 32.
Tuesday
Areas of fog. Otherwise, partly sunny, with a high near 49.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Wednesday
A slight chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
Last Update:
1:26 am PST Jan 15, 2026
Forecast Valid:
2am PST Jan 15, 2026-6pm PST Jan 21, 2026
 
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Additional Resources

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