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

15°F

-9°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 23 Jan 01:55 AM MST
Extended Forecast for

16 Miles NW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 12. Wind chill values as low as -3. Northwest wind around 9 mph.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a temperature rising to near 13 by 11am, then falling to around 7 during the remainder of the day. Wind chill values as low as -12. North northwest wind 10 to 17 mph, with gusts as high as 21 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Wind chill values as low as -19. Northwest wind 14 to 18 mph, with gusts as high as 21 mph.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and cold, with a high near 7. Wind chill values as low as -19. West northwest wind around 14 mph, with gusts as high as 18 mph.

    High: 7 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -1. West northwest wind 14 to 16 mph.

    Low: -1 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 6.

    Low: 6 °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 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 12. Wind chill values as low as -3. Northwest wind around 9 mph.
Friday
Mostly sunny, with a temperature rising to near 13 by 11am, then falling to around 7 during the remainder of the day. Wind chill values as low as -12. North northwest wind 10 to 17 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 0. Wind chill values as low as -19. Northwest wind 14 to 18 mph, with gusts as high as 21 mph.
Saturday
Sunny and cold, with a high near 7. Wind chill values as low as -19. West northwest wind around 14 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around -1. West northwest wind 14 to 16 mph.
Sunday
Sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 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