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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Overcast

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 02 Jan 03:55 AM MST
Extended Forecast for

Sun Valley ID

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 29. Light northwest wind.

    Low: 29 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 10 percent chance of snow before 7am. Snow level rising to 7200 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 40. Light and variable wind becoming northwest around 5 mph.

    High: 40 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Calm wind becoming east around 5 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 11am, mixing with rain after 2pm. Increasing clouds, with a high near 38. East northeast wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow, possibly mixed with rain, becoming all snow after 2am. Snow level 6400 feet. Low around 28. South southwest wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow

  • Sunday

    Sunday: Snow. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 22. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow

  • Monday

    Monday: A 40 percent chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 29. Light northwest wind.
Friday
A 10 percent chance of snow before 7am. Snow level rising to 7200 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 40. Light and variable wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 26. Calm wind becoming east around 5 mph after midnight.
Saturday
A chance of snow after 11am, mixing with rain after 2pm. Increasing clouds, with a high near 38. East northeast wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow, possibly mixed with rain, becoming all snow after 2am. Snow level 6400 feet. Low around 28. South southwest wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Low around 22. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Monday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 9.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.69°N 114.33°W (Elev. 6385 ft)
Last Update:
1:59 am MST Jan 2, 2026
Forecast Valid:
4am MST Jan 2, 2026-6pm MST Jan 8, 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