Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

19°F

-7°C

Humidity 58%
Wind Speed NNW 8 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 27 Dec 11:55 PM MST
Extended Forecast for

Challis ID

  • Overnight

    Overnight: Mostly clear, with a low around 6. Light west northwest wind.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 25. Calm wind.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. Calm wind.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Wednesday Night

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

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 6. Light west northwest wind.
Sunday
Sunny, with a high near 25. Calm wind.
Sunday Night
Mostly clear, with a low around 10. Calm wind.
Monday
Sunny, with a high near 33. Calm wind.
Monday Night
Partly cloudy, with a low around 20. Calm wind.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 23.
New Year's Day
Partly sunny, with a high near 44.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.51°N 114.22°W (Elev. 5151 ft)
10:31 pm MST Dec 27, 2025
12am MST Dec 28, 2025-6pm MST Jan 3, 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