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.

Overcast

21°F

-6°C

Humidity 79%
Wind Speed NW 9 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 20 Jan 10:44 PM MST
Extended Forecast for

18 Miles ENE Sun Valley ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 10. Wind chill values as low as -3. West wind around 10 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 23. Wind chill values as low as -3. West wind 6 to 9 mph.

    High: 23 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Wind chill values as low as -1. West wind 7 to 9 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22. Wind chill values as low as zero. West wind 6 to 9 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. West wind around 7 mph.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

  • Friday Night

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

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 10. Wind chill values as low as -3. West wind around 10 mph.
Wednesday
Sunny, with a high near 23. Wind chill values as low as -3. West wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 11. Wind chill values as low as -1. West wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 22. Wind chill values as low as zero. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 7. West wind around 7 mph.
Friday
Sunny, with a high near 14.
Friday Night
Mostly clear, with a low around -2.
Saturday
Sunny, with a high near 11.
Saturday Night
Mostly clear, with a low around 3.
Sunday
Sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 21.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles ENE Sun Valley ID
 43.81°N 114.02°W (Elev. 9849 ft)
1:47 am MST Jan 21, 2026
2am 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