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

46°F

8°C

Humidity 100%
Wind Speed W 1 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 14 Jan 01:15 PM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • This Afternoon

    This Afternoon: Patchy fog. Otherwise, partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy dense fog. Otherwise, partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 51. Light north wind.

    High: 51 °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 51. Calm wind.

    High: 51 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy fog before 9pm. 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 32.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy fog. Otherwise, partly sunny, with a high near 50. Calm wind.
Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 37. Calm wind.
Thursday
Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, sunny, with a high near 51. 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 51. Calm wind.
Friday Night
Patchy fog before 9pm. 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 32.
Sunday
Sunny, with a high near 51.
Sunday Night
Areas of fog. Otherwise, mostly clear, with a low around 32.
M.L.King Day
Patchy fog. Otherwise, sunny, with a high near 50.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 32.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.52°N 122.75°W (Elev. 423 ft)
Last Update:
1:26 pm PST Jan 14, 2026
Forecast Valid:
1pm PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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