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

Mt. Margaret (ITDD1)

Lat: 46.93189°NLon: 116.69939°WElev: 2621.0ft.

NA

29°F

-2°C

Humidity 79%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Last update 20 Jan 06:45 PM PST
Extended Forecast for

12 Miles ENE Onaway ID

  • Tonight

    Tonight: Cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 33. Calm wind.

    High: 33 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 34. Calm wind.

    High: 34 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 24. Calm wind.
Wednesday
Cloudy, with a high near 33. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 34. Calm wind.
Thursday Night
Partly cloudy, with a low around 18. Calm wind.
Friday
Sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Monday Night
A slight chance of rain and snow. Snow level 3100 feet. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of snow. Snow level rising to 3500 feet in the afternoon. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ENE Onaway ID
 46.98°N 116.64°W (Elev. 3002 ft)
3:02 pm PST Jan 20, 2026
7pm PST Jan 20, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database