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.

Overcast

25°F

-4°C

Humidity 58%
Wind Speed NE 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 27 Dec 07:05 PM MST
Extended Forecast for

23 Miles SSW Leadore ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -23. Northwest wind 14 to 20 mph, with gusts as high as 26 mph.

    Low: -2 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 12. Wind chill values as low as -17. Northwest wind 6 to 10 mph.

    High: 12 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature falling to near 6 by 11pm, then rising to around 10 during the remainder of the night. Wind chill values as low as -6. North northwest wind around 7 mph becoming west after midnight.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 21. Wind chill values as low as -2. West southwest wind 5 to 8 mph.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. West wind around 7 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Wednesday Night

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

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -23. Northwest wind 14 to 20 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 12. Wind chill values as low as -17. Northwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a temperature falling to near 6 by 11pm, then rising to around 10 during the remainder of the night. Wind chill values as low as -6. North northwest wind around 7 mph becoming west after midnight.
Monday
Sunny, with a high near 21. Wind chill values as low as -2. West southwest wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 18. West wind around 7 mph.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 20.
New Year's Day
Partly sunny, with a high near 28.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 24.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles SSW Leadore ID
 44.37°N 113.47°W (Elev. 9534 ft)
4:31 pm MST Dec 27, 2025
7pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database