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

17°F

-8°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.59 in (1035.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 29 Dec 12:55 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 3. Wind chill values as low as -14. West wind around 8 mph.

    Low: 3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 21. Wind chill values as low as -4. West wind 5 to 8 mph.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. West wind 6 to 9 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 31. West wind 3 to 8 mph.

    High: 31 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. West wind 6 to 9 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow.  Mostly cloudy, with a high near 23.

    High: 23 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 3. Wind chill values as low as -14. West wind around 8 mph.
Monday
Sunny, with a high near 21. Wind chill values as low as -4. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 19. West wind 6 to 9 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 31. West wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 17. West wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
A 20 percent chance of snow. Mostly cloudy, with a high near 23.
Thursday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20.
Friday
A 30 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 19.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 21.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
1:03 am MST Dec 29, 2025
1am MST Dec 29, 2025-6pm MST Jan 4, 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