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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5° N Lon: 114.3° W Elev: 5318.0 ft.

Mostly Cloudy

32°F

0°C

Humidity 59%
Wind Speed SW 6 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 27 Dec 07:35 AM MST
Detailed forecast for

Big Lost Highlands/Copper Basin

Today
Partly sunny with a chance of snow. Breezy. Snow accumulation of 1 to 3 inches. Highs 20 to 30. Wind chill readings 7 below to 17 below zero.
Tonight
Partly cloudy. Colder. Lows 3 below to 7 above zero. Wind chill readings 14 below to 24 below zero.
Sunday
Sunny. Highs 20 to 30. Wind chill readings 12 below to 22 below zero.
Sunday Night
Clear. Lows 4 to 13.
Monday
Sunny. Not as cold. Highs 30 to 40.
Monday Night
Mostly clear. Lows 13 to 21.
Tuesday
Partly sunny. Highs 34 to 44.
Tuesday Night
Partly cloudy. Lows 16 to 24.
Wednesday And Wednesday Night
Mostly clear. Highs 38 to 48. Lows 19 to 28.
New Years Day
Mostly sunny. Highs 37 to 47.
Thursday Night
Mostly cloudy with a slight chance of snow. Lows 20 to 28.
Friday
Mostly cloudy with a chance of snow. Highs 33 to 43.



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528 AM 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