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

45°F

7°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Jan 04:00 AM PST
Extended Forecast for

Onalaska WA

  • Today

    Today: 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

  • Tonight

    Tonight: Patchy dense fog before 3am, then patchy dense fog after 4am. Otherwise, mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    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: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Sunday Night

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

    Low: 32 °F

    Patchy Fog

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 50. Light north wind.
Tonight
Patchy dense fog before 3am, then patchy dense fog after 4am. Otherwise, mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 51. Calm wind.
Friday Night
Patchy fog between 7pm and 8pm. Otherwise, mostly clear, with a low around 33. Calm wind.
Saturday
Sunny, with a high near 50. Calm wind.
Saturday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 32.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 50.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 32.
M.L.King Day
Sunny, with a high near 50.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 33.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 48.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
1:26 am PST Jan 15, 2026
Forecast Valid:
4am PST Jan 15, 2026-6pm PST Jan 21, 2026
 
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Additional Resources

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