Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Mist

21°F

-6°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Last update 20 Jan 12:15 AM MST
Extended Forecast for

11 Miles ENE Sun Valley ID

  • Overnight

    Overnight: Mostly clear, with a low around 12. Wind chill values as low as -3. Northwest wind around 15 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Wind chill values as low as -1. Northwest wind 11 to 17 mph, with gusts as high as 20 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. Wind chill values as low as -6. West northwest wind 11 to 15 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 21. Wind chill values as low as -7. West wind 9 to 16 mph.

    High: 21 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. West wind 10 to 13 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 12. Wind chill values as low as -3. Northwest wind around 15 mph.
Tuesday
Mostly sunny, with a high near 22. Wind chill values as low as -1. Northwest wind 11 to 17 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 10. Wind chill values as low as -6. West northwest wind 11 to 15 mph.
Wednesday
Sunny, with a high near 21. Wind chill values as low as -7. West wind 9 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 11. West wind 10 to 13 mph.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 15.
Friday Night
Mostly clear, with a low around 5.
Saturday
Sunny, with a high near 17.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 19.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Sun Valley ID
 43.76°N 114.13°W (Elev. 11424 ft)
10:31 pm MST Jan 19, 2026
12am MST Jan 20, 2026-6pm MST Jan 26, 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