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 ENE 3 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 29 Jan 01:35 PM MST
Extended Forecast for

25 Miles N Mackay ID

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 24. West northwest wind around 7 mph.

    High: 24 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. West wind around 7 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. West wind around 7 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. West southwest wind 8 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. West wind 6 to 10 mph.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Sunday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 24. West northwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 19. West wind around 7 mph.
Friday
Mostly cloudy, with a high near 31. West wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 23. West southwest wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 33. West wind 6 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mackay ID
 44.27°N 113.57°W (Elev. 8852 ft)
1:24 pm MST Jan 29, 2026
1pm 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