Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

20°F

-7°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 28 Dec 11:55 AM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Sunny and cold, with a high near 10. Wind chill values as low as -7. North northwest wind around 6 mph.

    High: 10 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 8 by 5am. Wind chill values as low as -9. North northwest wind 6 to 9 mph becoming west southwest after midnight.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 19. Wind chill values as low as -4. West wind 5 to 9 mph.

    High: 19 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. West wind 5 to 8 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West northwest wind 5 to 8 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny and cold, with a high near 10. Wind chill values as low as -7. North northwest wind around 6 mph.
Tonight
Mostly clear, with a temperature rising to around 8 by 5am. Wind chill values as low as -9. North northwest wind 6 to 9 mph becoming west southwest after midnight.
Monday
Sunny, with a high near 19. Wind chill values as low as -4. West wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 12. West wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 23. West northwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 16.
New Year's Day
Partly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 23.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
10:31 am MST Dec 28, 2025
12pm 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