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 30.44 in (1030.82 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Jan 08:35 AM PST
Extended Forecast for

9 Miles SSE Kooskia ID

Air Stagnation Advisory January 19, 04:56pm until January 20, 05:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 04:56pm until January 20, 05:00pm

    NOW until 5:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind.

    High: 41 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Calm wind.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
Mostly sunny, with a high near 39. Calm wind.
Wednesday Night
Partly cloudy, with a low around 25. Calm wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Partly sunny, with a high near 43.
Sunday Night
A chance of rain and snow. Snow level 3300 feet. Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow. Snow level 3300 feet rising to 4100 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Kooskia ID
 46.02°N 115.89°W (Elev. 2602 ft)
2:06 pm MST Jan 19, 2026
4pm 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