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

30°F

-1°C

Humidity 36%
Wind Speed W 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 22 Jan 04:35 PM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Wind chill values as low as -3. West wind 6 to 8 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a temperature rising to near 11 by 10am, then falling to around 6 during the remainder of the day. Wind chill values as low as -13. North wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -2. Wind chill values as low as -21. North wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and cold, with a high near 6. Wind chill values as low as -20. West northwest wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -2. West wind around 16 mph, with gusts as high as 22 mph.

    Low: -2 °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 19.

    High: 19 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 9. Wind chill values as low as -3. West wind 6 to 8 mph.
Friday
Mostly sunny, with a temperature rising to near 11 by 10am, then falling to around 6 during the remainder of the day. Wind chill values as low as -13. North wind 10 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around -2. Wind chill values as low as -21. North wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny and cold, with a high near 6. Wind chill values as low as -20. West northwest wind 13 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around -2. West wind around 16 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
4:31 pm MST Jan 22, 2026
4pm MST Jan 22, 2026-6pm MST Jan 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database