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 33%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 22 Jan 01:35 PM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 23. West wind around 6 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Wind chill values as low as -4. West wind 7 to 13 mph.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a temperature rising to near 14 by noon, then falling to around 8 during the remainder of the day. Wind chill values as low as -12. North northwest wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Wind chill values as low as -22. Blustery, with a northwest wind around 22 mph, with gusts as high as 26 mph.

    Low: 0 °F

    Mostly Clear
    and Blustery

  • Saturday

    Saturday: Sunny and cold, with a high near 9. West northwest wind 16 to 21 mph, with gusts as high as 24 mph.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Blustery.

    Low: 1 °F

    Mostly Clear
    then Mostly
    Clear and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 15. Blustery.

    High: 15 °F

    Sunny and
    Blustery then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 23. West wind around 6 mph.
Tonight
Mostly cloudy, with a low around 11. Wind chill values as low as -4. West wind 7 to 13 mph.
Friday
Mostly sunny, with a temperature rising to near 14 by noon, then falling to around 8 during the remainder of the day. Wind chill values as low as -12. North northwest wind 14 to 18 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 0. Wind chill values as low as -22. Blustery, with a northwest wind around 22 mph, with gusts as high as 26 mph.
Saturday
Sunny and cold, with a high near 9. West northwest wind 16 to 21 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 1. Blustery.
Sunday
Sunny, with a high near 15. Blustery.
Sunday Night
Mostly clear, with a low around 5.
Monday
Mostly sunny, with a high near 20.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 43.99°N 113.55°W (Elev. 9961 ft)
1:10 pm MST Jan 22, 2026
1pm 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