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.

Partly Cloudy

36°F

2°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Jan 11:47 AM MST
Extended Forecast for

15 Miles ENE Sun Valley ID

  • This Afternoon

    This Afternoon: A 20 percent chance of snow before 4pm. Partly sunny, with a high near 20. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 20 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Wind chill values as low as -7. West wind 10 to 14 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 22. Wind chill values as low as -5. West wind 6 to 10 mph.

    High: 22 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. West wind around 9 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. West wind 6 to 8 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow before 4pm. Partly sunny, with a high near 20. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 8. Wind chill values as low as -7. West wind 10 to 14 mph.
Thursday
Partly sunny, with a high near 22. Wind chill values as low as -5. West wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 13. West wind around 9 mph.
Friday
Partly sunny, with a high near 29. West wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Sun Valley ID
 43.81°N 114.08°W (Elev. 9734 ft)
Last Update:
10:31 am MST Jan 28, 2026
Forecast Valid:
12pm MST Jan 28, 2026-6pm MST Feb 3, 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