Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

16°F

-9°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 23 Jan 02:30 AM MST
Extended Forecast for

17 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 17. Light west northwest wind.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22. Wind chill values as low as zero. West northwest wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 2. Wind chill values as low as -11. West northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 16. Wind chill values as low as -11. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 16 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 17. Light west northwest wind.
Friday
Mostly sunny, with a high near 22. Wind chill values as low as zero. West northwest wind 5 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 2. Wind chill values as low as -11. West northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 16. Wind chill values as low as -11. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 4. West northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 10.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
10:31 pm MST Jan 22, 2026
2am MST Jan 23, 2026-6pm MST Jan 29, 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