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

25°F

-4°C

Humidity 85%
Wind Speed NW 6 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 19 Jan 12:35 AM MST
Extended Forecast for

16 Miles ENE Sun Valley ID

  • Overnight

    Overnight: Mostly clear, with a low around 8. Wind chill values as low as -10. North northwest wind 14 to 16 mph.

    Low: 8 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21. Wind chill values as low as -9. Northwest wind 7 to 14 mph.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. Wind chill values as low as -3. West northwest wind 10 to 15 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. Wind chill values as low as -3. West northwest wind 14 to 16 mph, with gusts as high as 21 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11. West northwest wind 14 to 17 mph.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 8. Wind chill values as low as -10. North northwest wind 14 to 16 mph.
M.L.King Day
Sunny, with a high near 21. Wind chill values as low as -9. Northwest wind 7 to 14 mph.
Monday Night
Mostly clear, with a low around 12. Wind chill values as low as -3. West northwest wind 10 to 15 mph.
Tuesday
Mostly sunny, with a high near 23. Wind chill values as low as -3. West northwest wind 14 to 16 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 11. West northwest wind 14 to 17 mph.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 18.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 9.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 18.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 7.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ENE Sun Valley ID
 43.77°N 114.05°W (Elev. 10968 ft)
10:31 pm MST Jan 18, 2026
1am MST Jan 19, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database