Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

29°F

-2°C

Humidity 100%
Wind Speed E 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Last update 21 Jan 10:30 AM PST
Extended Forecast for

7 Miles NNE Onalaska WA

  • Today

    Today: Sunny, with a high near 45. Calm wind.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Light east wind.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow after 4pm.  Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 45. Calm wind.
Tonight
Mostly clear, with a low around 31. Light east wind.
Thursday
Mostly sunny, with a high near 41. Calm wind.
Thursday Night
Partly cloudy, with a low around 28. Calm wind.
Friday
Sunny, with a high near 41. Light and variable wind.
Friday Night
Clear, with a low around 26.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
A slight chance of rain and snow after 4pm. Mostly sunny, with a high near 42.
Sunday Night
A chance of rain and snow, mainly after 10pm. Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow. Partly sunny, with a high near 43.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A slight chance of rain. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Onalaska WA
 46.66°N 122.63°W (Elev. 1601 ft)
7:01 am PST Jan 21, 2026
10am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database