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

37°F

3°C

Humidity 44%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 29 Jan 02:20 PM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 19. West wind around 10 mph.

    High: 19 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. West wind around 10 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26. West wind around 10 mph.

    High: 26 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Southwest wind 10 to 15 mph, with gusts as high as 18 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. West southwest wind 8 to 14 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 19. West wind around 10 mph.
Tonight
Mostly cloudy, with a low around 14. West wind around 10 mph.
Friday
Mostly cloudy, with a high near 26. West wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 18. Southwest wind 10 to 15 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 28. West southwest wind 8 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Sunny, with a high near 30.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 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