Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Wallace Viaduct (ITD90)

Lat: 47.47432°NLon: 115.90816°WElev: 2792.0ft.

NA

25°F

-4°C

Humidity 96%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.24 mi
Last update 29 Dec 07:15 PM PST
Extended Forecast for

11 Miles S Wallace ID

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Tonight

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light east wind.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Light southeast wind.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of snow between 10am and 1pm, then a chance of rain and snow.  Mostly cloudy, with a high near 37. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow.  Snow level 4600 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 7am.  Snow level 5700 feet. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Rain/Snow
    then Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Calm wind.
Tuesday
Mostly sunny, with a high near 37. Light east wind.
Tuesday Night
Mostly clear, with a low around 28. Light southeast wind.
Wednesday
Mostly sunny, with a high near 38. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 29. Calm wind.
New Year's Day
A slight chance of snow between 10am and 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow. Snow level 4600 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
Rain, possibly mixed with snow, becoming all rain after 7am. Snow level 5700 feet. High near 38. Chance of precipitation is 80%.
Friday Night
Rain and snow likely. Snow level 5600 feet. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Saturday
Snow likely, possibly mixed with rain. Snow level 4600 feet. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30.
Monday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Wallace ID
 47.31°N 115.97°W (Elev. 4170 ft)
3:13 pm PST Dec 29, 2025
7pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database