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

27°F

-3°C

Humidity 80%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 19 Jan 12:15 PM PST
Extended Forecast for

7 Miles S Wallace ID

Air Stagnation Advisory January 19, 12:41pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 12:41pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Southwest wind 3 to 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 32. East wind around 5 mph becoming calm  in the morning.

    High: 32 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Light and variable wind.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. East wind around 5 mph becoming calm  in the morning.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Mostly sunny, with a high near 31. Southwest wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 23. Southwest wind 3 to 5 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 32. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 20. Light and variable wind.
Wednesday
Mostly sunny, with a high near 31. East wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly cloudy, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 27.
Friday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 19.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 27.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Wallace ID
 47.38°N 115.92°W (Elev. 4987 ft)
8:27 am PST Jan 19, 2026
12pm PST Jan 19, 2026-6pm PST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database