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

Grangeville - Idaho County Airport (KGIC)

Lat: 45.94111°NLon: 116.13257°WElev: 3287.0ft.

Overcast

25°F

-4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 25°F (-4°C)
Visibility 1.25 mi
Last update 19 Jan 08:40 PM PST
Extended Forecast for

4 Miles WSW Cottonwood ID

Air Stagnation Advisory January 19, 10:47pm until January 20, 05:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 10:47pm until January 20, 05:00pm

    NOW until 5:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Light west wind.

    High: 37 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. Light west southwest wind.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Thursday Night

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

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. West southwest wind 3 to 5 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Light west wind.
Tuesday Night
Mostly clear, with a low around 23. Light and variable wind.
Wednesday
Sunny, with a high near 35. Light west southwest wind.
Wednesday Night
Partly cloudy, with a low around 23. Light and variable wind.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Partly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 29.
Monday
A chance of snow. Partly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Cottonwood ID
 46.04°N 116.45°W (Elev. 4400 ft)
2:06 pm MST Jan 19, 2026
10pm MST Jan 19, 2026-6pm MST 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