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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

25°F

-4°C

Humidity 99%
Wind Speed WNW 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 22 Jan 01:00 AM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Overnight

    Overnight: Widespread dense freezing fog. Partly cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Dense
    Freezing Fog

  • Thursday

    Thursday: Widespread dense freezing fog, mainly before 9am. Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Dense
    Freezing Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 43. Calm wind.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow after 10pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Widespread dense freezing fog. Partly cloudy, with a steady temperature around 29. Calm wind.
Thursday
Widespread dense freezing fog, mainly before 9am. Mostly cloudy, with a high near 42. Calm wind.
Thursday Night
Mostly cloudy, with a low around 25. Calm wind.
Friday
Sunny, with a high near 43. Calm wind.
Friday Night
Mostly clear, with a low around 22. Calm wind.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
A slight chance of rain and snow after 10pm. Mostly cloudy, with a low around 27.
Monday
A slight chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 31.
Tuesday
A slight chance of rain. Partly sunny, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
Last Update:
7:01 pm PST Jan 21, 2026
Forecast Valid:
1am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation