Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

10°F

-12°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Jan 08:55 AM MST
Extended Forecast for

11 Miles ENE Sun Valley ID

  • Today

    Today: Sunny, with a high near 21. Wind chill values as low as -3. West northwest wind 8 to 13 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind 11 to 14 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20. Wind chill values as low as -5. West wind 8 to 14 mph.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Wind chill values as low as -8. West wind 9 to 11 mph.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 11. West northwest wind around 14 mph, with gusts as high as 21 mph.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 21. Wind chill values as low as -3. West northwest wind 8 to 13 mph.
Tonight
Partly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind 11 to 14 mph.
Thursday
Mostly sunny, with a high near 20. Wind chill values as low as -5. West wind 8 to 14 mph.
Thursday Night
Partly cloudy, with a low around 7. Wind chill values as low as -8. West wind 9 to 11 mph.
Friday
Mostly sunny, with a high near 11. West northwest wind around 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around -2.
Saturday
Sunny and cold, with a high near 8.
Saturday Night
Mostly clear, with a low around 2.
Sunday
Sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Sun Valley ID
 43.76°N 114.13°W (Elev. 11424 ft)
4:31 am MST Jan 21, 2026
9am MST Jan 21, 2026-6pm MST Jan 27, 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