Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

8°F

-13°C

Humidity 79%
Wind Speed SSE 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 21 Jan 08:55 AM MST
Extended Forecast for

5 Miles NNE Clayton ID

  • Today

    Today: Sunny, with a high near 27. West northwest wind 6 to 8 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. West northwest wind around 9 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25. West wind 6 to 9 mph.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. Wind chill values as low as zero. West wind around 6 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 16. West wind 7 to 10 mph.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 16.

    High: 16 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 27. West northwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 16. West northwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 25. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 9. Wind chill values as low as zero. West wind around 6 mph.
Friday
Mostly sunny, with a high near 16. West wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 3.
Saturday
Sunny, with a high near 16.
Saturday Night
Mostly clear, with a low around 6.
Sunday
Sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Clayton ID
 44.32°N 114.37°W (Elev. 9514 ft)
4:31 am MST Jan 21, 2026
9am MST Jan 21, 2026-6pm MST Jan 27, 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