Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

10°F

-12°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 22 Jan 06:20 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Today

    Today: Partly sunny, with a high near 19. Wind chill values as low as -4. West wind 6 to 10 mph.

    High: 19 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Wind chill values as low as -5. West wind 6 to 9 mph.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny and cold, with a high near 10. Wind chill values as low as -16. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -3. Wind chill values as low as -21. West northwest wind 15 to 21 mph, with gusts as high as 26 mph.

    Low: -3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and cold, with a high near 5. West northwest wind around 15 mph, with gusts as high as 23 mph.

    High: 5 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 19. Wind chill values as low as -4. West wind 6 to 10 mph.
Tonight
Mostly cloudy, with a low around 8. Wind chill values as low as -5. West wind 6 to 9 mph.
Friday
Mostly cloudy, then gradually becoming sunny and cold, with a high near 10. Wind chill values as low as -16. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around -3. Wind chill values as low as -21. West northwest wind 15 to 21 mph, with gusts as high as 26 mph.
Saturday
Sunny and cold, with a high near 5. West northwest wind around 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 0.
Sunday
Sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 17.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
4:31 am MST Jan 22, 2026
6am MST Jan 22, 2026-6pm MST Jan 28, 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