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

7 Miles NE Mackay ID

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 23. West wind around 7 mph.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. West northwest wind 7 to 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 30. West wind 6 to 9 mph.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. West wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Sunday Night

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

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 23. West wind around 7 mph.
Tonight
Mostly cloudy, with a low around 15. West northwest wind 7 to 10 mph.
Friday
Mostly cloudy, with a high near 30. West wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 20. West wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 33. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Sunny, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Mackay ID
 43.99°N 113.52°W (Elev. 9157 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