Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

38°F

3°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 29 Jan 01:55 PM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 21. West wind around 10 mph.

    High: 21 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. West wind 9 to 11 mph.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 28. West wind around 10 mph.

    High: 28 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Southwest wind 11 to 17 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. West southwest wind 8 to 16 mph.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 21. West wind around 10 mph.
Tonight
Mostly cloudy, with a low around 17. West wind 9 to 11 mph.
Friday
Mostly cloudy, with a high near 28. West wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 21. Southwest wind 11 to 17 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 31. West southwest wind 8 to 16 mph.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
1:24 pm MST Jan 29, 2026
2pm MST Jan 29, 2026-6pm MST Feb 4, 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