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.

Clear

27°F

-3°C

Humidity 79%
Wind Speed NW 5 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 19 Jan 12:15 AM MST
Extended Forecast for

16 Miles ENE Sun Valley ID

  • Overnight

    Overnight: Mostly clear, with a low around 10. Wind chill values as low as -5. North northwest wind 10 to 13 mph.

    Low: 10 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 23. Wind chill values as low as -5. West northwest wind 6 to 11 mph.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. Wind chill values as low as zero. West northwest wind 8 to 13 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. West northwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. West northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Wind chill values as low as -5. North northwest wind 10 to 13 mph.
M.L.King Day
Sunny, with a high near 23. Wind chill values as low as -5. West northwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 14. Wind chill values as low as zero. West northwest wind 8 to 13 mph.
Tuesday
Mostly sunny, with a high near 25. West northwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 13. West northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 20.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 11.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 20.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 9.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ENE Sun Valley ID
 43.77°N 114.02°W (Elev. 9820 ft)
10:31 pm MST Jan 18, 2026
12am MST Jan 19, 2026-6pm MST Jan 25, 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