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 05:15 AM MST
Extended Forecast for

6 Miles N Mackay ID

  • Today

    Today: Partly sunny, with a high near 25. Wind chill values as low as zero. West northwest wind 3 to 8 mph.

    High: 25 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Wind chill values as low as zero. West northwest wind 3 to 7 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as -3. West northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 19 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Wind chill values as low as -15. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 11. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 11 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 25. Wind chill values as low as zero. West northwest wind 3 to 8 mph.
Tonight
Mostly cloudy, with a low around 10. Wind chill values as low as zero. West northwest wind 3 to 7 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as -3. West northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 0. Wind chill values as low as -15. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 11. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 3.
Sunday
Sunny, with a high near 19.
Sunday Night
Mostly clear, with a low around 7.
Monday
Mostly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Mackay ID
 44.01°N 113.61°W (Elev. 9623 ft)
4:31 am MST Jan 22, 2026
5am 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