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° N Lon: 114.21611° W Elev: 5026.0 ft.

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
Detailed forecast for

Frank Church Wilderness

Tonight
Partly cloudy. Colder. Lows 1 below to 9 above zero. Wind chill readings 13 below to 23 below zero.
Sunday
Sunny. Highs 20 to 30. Wind chill readings 9 below to 19 below zero.
Sunday Night
Mostly clear. Lows 5 to 13.
Monday
Sunny. Not as cold. Highs 30 to 40.
Monday Night
Mostly clear. Lows 17 to 25.
Tuesday
Mostly sunny. Highs 35 to 45.
Tuesday Night And Wednesday
Mostly clear. Lows 16 to 26. Highs 39 to 49.
Wednesday Night
Partly cloudy. Lows 19 to 28.
New Years Day
Partly sunny. Highs 37 to 47.
Thursday Night And Friday
Mostly cloudy with a chance of snow. Lows 21 to 30. Highs 33 to 43.
Friday Night
Mostly cloudy with a chance of snow. Lows 12 to 21.
Saturday
Partly sunny with a slight chance of snow. Highs 28 to 38.



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202 PM MST Sat Dec 27 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database