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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

51°F

11°C

Humidity 96%
Wind Speed E 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 12 Jan 05:15 PM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before noon, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Patchy Fog

  • Tuesday Night

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

    Low: 38 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Tuesday
Patchy fog before noon, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 55. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 38. Calm wind.
Wednesday
Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 50. Calm wind.
Wednesday Night
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 34.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 52.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 33.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 34.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 50.
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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:
1:25 pm PST Jan 12, 2026
Forecast Valid:
5pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
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