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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Partly Cloudy

41°F

5°C

Humidity 56%
Wind Speed SE 12 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 29 Jan 03:50 PM MST
Extended Forecast for

5 Miles S Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38. West northwest wind around 5 mph becoming calm  in the morning.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Calm wind.
Friday
Mostly cloudy, with a high near 34. Calm wind.
Friday Night
Mostly cloudy, with a low around 23. Light and variable wind.
Saturday
Mostly sunny, with a high near 38. West northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 26. Calm wind.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Mackay ID
 43.83°N 113.61°W (Elev. 6506 ft)
1:24 pm MST Jan 29, 2026
4pm MST Jan 29, 2026-6pm MST Feb 5, 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