National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

25°F

-4°C

Humidity 45%
Wind Speed N 0 MPH
Barometer 30.55 in (1034.54 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 29 Dec 01:20 PM MST
Extended Forecast for

9 Miles NNE Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 24. West northwest wind 3 to 5 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West wind 6 to 9 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 30. West northwest wind 5 to 8 mph becoming calm in the morning.

    High: 30 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. West wind 5 to 9 mph.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West wind 6 to 9 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 40 percent chance of snow. Mostly cloudy, with a high near 25. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 24. West northwest wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 17. West wind 6 to 9 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 30. West northwest wind 5 to 8 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 22. West wind 5 to 9 mph.
Wednesday
Mostly sunny, with a high near 30. West wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 23.
New Year's Day
A 40 percent chance of snow. Mostly cloudy, with a high near 25. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 27.
Friday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 23.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mackay ID
 44.04°N 113.52°W (Elev. 9600 ft)
Last Update:
1:01 pm MST Dec 29, 2025
Forecast Valid:
1pm MST Dec 29, 2025-6pm MST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation