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

18°F

-8°C

Humidity 48%
Wind Speed NW 3 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 28 Dec 10:55 AM MST
Extended Forecast for

9 Miles NNE Mackay ID

  • Today

    Today: Sunny, with a high near 12. Wind chill values as low as -5. Northwest wind 6 to 8 mph.

    High: 12 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 9 by 4am. Wind chill values as low as -9. West wind 8 to 10 mph.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 23. Wind chill values as low as -4. West wind 5 to 10 mph becoming light  in the afternoon.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. West northwest wind 6 to 9 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26. West northwest wind 5 to 9 mph becoming light northwest  in the morning.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 12. Wind chill values as low as -5. Northwest wind 6 to 8 mph.
Tonight
Mostly clear, with a temperature rising to around 9 by 4am. Wind chill values as low as -9. West wind 8 to 10 mph.
Monday
Sunny, with a high near 23. Wind chill values as low as -4. West wind 5 to 10 mph becoming light in the afternoon.
Monday Night
Mostly clear, with a low around 13. West northwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 26. West northwest wind 5 to 9 mph becoming light northwest in the morning.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 17.
New Year's Day
Partly sunny, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 25.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mackay ID
 44.04°N 113.52°W (Elev. 9600 ft)
10:31 am MST Dec 28, 2025
11am 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