National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

45°F

7°C

Humidity 39%
Wind Speed WSW 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 28 Jan 03:47 PM MST
Extended Forecast for

21 Miles NE Sun Valley ID

  • Tonight

    Tonight: Increasing clouds, with a low around 13. West northwest wind 5 to 7 mph becoming southwest after midnight.

    Low: 13 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind 3 to 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. Light west wind.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Southwest wind around 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Sunday Night

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

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 13. West northwest wind 5 to 7 mph becoming southwest after midnight.
Thursday
Mostly cloudy, with a high near 27. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 17. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 34. Light west wind.
Friday Night
Mostly cloudy, with a low around 23. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NE Sun Valley ID
 43.94°N 114.08°W (Elev. 8097 ft)
Last Update:
4:31 pm MST Jan 28, 2026
Forecast Valid:
4pm MST Jan 28, 2026-6pm MST Feb 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation