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.

Clear

34°F

1°C

Humidity 49%
Wind Speed N 0 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 29 Jan 11:55 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A slight chance of snow between 2pm and 3pm.  Mostly cloudy, with a high near 18. West wind around 11 mph.  Chance of precipitation is 20%.

    High: 18 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Wind chill values as low as -1. West wind 10 to 13 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 24. Wind chill values as low as zero. West southwest wind 9 to 13 mph.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16. West southwest wind 10 to 17 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27. West southwest wind 9 to 17 mph.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °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 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow between 2pm and 3pm. Mostly cloudy, with a high near 18. West wind around 11 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 13. Wind chill values as low as -1. West wind 10 to 13 mph.
Friday
Mostly cloudy, with a high near 24. Wind chill values as low as zero. West southwest wind 9 to 13 mph.
Friday Night
Mostly cloudy, with a low around 16. West southwest wind 10 to 17 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 27. West southwest wind 9 to 17 mph.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
10:31 am MST Jan 29, 2026
12pm 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