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

23°F

-5°C

Humidity 92%
Wind Speed NW 5 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 20 Jan 08:51 PM MST
Extended Forecast for

17 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Wind chill values as low as -8. West northwest wind around 15 mph.

    Low: 8 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. Wind chill values as low as -7. West wind 8 to 14 mph.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Wind chill values as low as -6. West wind 10 to 14 mph.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19. Wind chill values as low as -6. West wind 8 to 14 mph.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5. West wind 9 to 13 mph.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -1.

    Low: -1 °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

Detailed Forecast

Tonight
Partly cloudy, with a low around 8. Wind chill values as low as -8. West northwest wind around 15 mph.
Wednesday
Mostly sunny, with a high near 22. Wind chill values as low as -7. West wind 8 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 10. Wind chill values as low as -6. West wind 10 to 14 mph.
Thursday
Mostly sunny, with a high near 19. Wind chill values as low as -6. West wind 8 to 14 mph.
Thursday Night
Partly cloudy, with a low around 5. West wind 9 to 13 mph.
Friday
Mostly sunny, with a high near 13.
Friday Night
Mostly clear, with a low around -1.
Saturday
Sunny and cold, with a high near 8.
Saturday Night
Mostly clear, with a low around 2.
Sunday
Sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Partly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ENE Sun Valley ID
 43.79°N 114.02°W (Elev. 11014 ft)
4:31 pm MST Jan 20, 2026
9pm MST Jan 20, 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