Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

31°F

-1°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 31 Jan 09:55 PM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Southwest wind 14 to 16 mph.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27. South southwest wind around 18 mph, with gusts as high as 23 mph.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. Wind chill values as low as -6. West wind 18 to 20 mph.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 20. Wind chill values as low as -6. West wind 11 to 17 mph.

    High: 20 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. West wind around 15 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. Southwest wind 14 to 16 mph.
Sunday
Partly sunny, with a high near 27. South southwest wind around 18 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 11. Wind chill values as low as -6. West wind 18 to 20 mph.
Monday
Mostly sunny, with a high near 20. Wind chill values as low as -6. West wind 11 to 17 mph.
Monday Night
Partly cloudy, with a low around 14. West wind around 15 mph.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 20.
Friday
Sunny, with a high near 31.
Friday Night
Mostly clear, with a low around 17.
Saturday
Mostly sunny, with a high near 28.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
4:31 pm MST Jan 31, 2026
10pm MST Jan 31, 2026-6pm MST Feb 7, 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