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

Wallace Viaduct (ITD90)

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

NA

29°F

-2°C

Humidity 75%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 21 Jan 06:00 PM PST
Extended Forecast for

11 Miles S Wallace ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 30. Calm wind.

    High: 30 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. East wind 3 to 5 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 22. East wind around 6 mph.

    High: 22 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of snow after 4am. Partly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Clear
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 30. Calm wind.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. East wind 3 to 5 mph.
Friday
Sunny, with a high near 22. East wind around 6 mph.
Friday Night
Mostly clear, with a low around 11. Calm wind.
Saturday
Sunny, with a high near 24.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Sunny, with a high near 28.
Sunday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 17.
Monday
A 30 percent chance of snow, mainly after 10am. Partly sunny, with a high near 32.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 35.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Wallace ID
 47.31°N 115.97°W (Elev. 4170 ft)
Last Update:
5:02 pm PST Jan 21, 2026
Forecast Valid:
6pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation