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

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

44°F

7°C

Humidity 100%
Wind Speed ESE 0 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 14 Jan 11:31 AM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Today

    Today: Areas of dense fog. Otherwise, partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Areas Dense
    Fog

  • Tonight

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

    Low: 38 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, sunny, with a high near 51. Light north northeast wind.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy 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.

    Low: 33 °F

    Patchy Fog
    then Mostly
    Clear

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 51.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Areas of dense fog. Otherwise, partly sunny, with a high near 50. Calm wind.
Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 38. Calm wind.
Thursday
Patchy fog before noon. Otherwise, sunny, with a high near 51. Light north northeast wind.
Thursday Night
Patchy fog. Otherwise, partly cloudy, 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.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 51.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 33.
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. Otherwise, mostly sunny, with a high near 49.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 32.
Tuesday
Areas of fog. Otherwise, partly sunny, with a high near 47.
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Forecast Area
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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:
7:00 am PST Jan 14, 2026
Forecast Valid:
11am PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

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Chance of Precipitation