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Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. 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 E 0 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 14 Jan 02:15 AM PST
Extended Forecast for

Onalaska WA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Wednesday

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

    High: 50 °F

    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 38. Light north northwest 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 before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 51.

    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: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Patchy Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 41. Calm wind.
Wednesday
Areas of dense fog. Otherwise, partly sunny, with a high near 50. Calm wind.
Wednesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 38. Light north northwest wind.
Thursday
Patchy fog before noon. Otherwise, sunny, with a high near 51. Light north northeast wind.
Thursday Night
Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 51.
Friday Night
Patchy fog between 7pm and 8pm. Otherwise, mostly clear, with a low around 33.
Saturday
Sunny, with a high near 51.
Saturday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 33.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 50.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 33.
M.L.King Day
Mostly sunny, with a high near 49.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 33.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 46.
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Forecast Area
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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 14, 2026
Forecast Valid:
2am PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

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Chance of Precipitation