Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Wallace Viaduct (ITD90)

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

NA

28°F

-2°C

Humidity 80%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Last update 19 Jan 05:00 PM PST
Extended Forecast for

7 Miles S Wallace ID

Air Stagnation Advisory January 19, 05:22pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 05:22pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 32. Light and variable wind.

    High: 32 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Light south wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Light east wind.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Light southeast wind.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. South wind 3 to 5 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 32. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 19. Light south wind.
Wednesday
Mostly sunny, with a high near 30. Light east wind.
Wednesday Night
Mostly cloudy, with a low around 21. Light southeast wind.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 26.
Friday Night
A 20 percent chance of snow after 10pm. Partly cloudy, with a low around 16.
Saturday
A 30 percent chance of snow, mainly between 10am and 4pm. Mostly sunny, with a high near 28.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Wallace ID
 47.38°N 115.92°W (Elev. 4987 ft)
3:11 pm PST Jan 19, 2026
5pm PST Jan 19, 2026-6pm PST Jan 26, 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