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

30°F

-1°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 31 Jan 08:35 PM MST
Extended Forecast for

12 Miles NNE Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. West southwest wind around 9 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. West wind 13 to 18 mph, with gusts as high as 21 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 27. West northwest wind 9 to 17 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. West northwest wind 10 to 14 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. West southwest wind around 9 mph.
Sunday
Mostly sunny, with a high near 34. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 18. West wind 13 to 18 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 27. West northwest wind 9 to 17 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 20. West northwest wind 10 to 14 mph.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
4:31 pm MST Jan 31, 2026
8pm 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