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

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Overcast

21°F

-6°C

Humidity 79%
Wind Speed NNW 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 24 Jan 03:35 AM MST
Extended Forecast for

Sun Valley ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 6. Wind chill values as low as -4. North wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 28. Wind chill values as low as -6. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 7. Wind chill values as low as -2. North wind around 7 mph.

    Low: 7 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 31. Wind chill values as low as -3. North northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Light and variable wind becoming north around 5 mph after midnight.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 6. Wind chill values as low as -4. North wind around 5 mph.
Saturday
Sunny, with a high near 28. Wind chill values as low as -6. Light and variable wind becoming south around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 7. Wind chill values as low as -2. North wind around 7 mph.
Sunday
Sunny, with a high near 31. Wind chill values as low as -3. North northwest wind 5 to 7 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 8. Light and variable wind becoming north around 5 mph after midnight.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.67°N 114.33°W (Elev. 6014 ft)
Last Update:
2:47 am MST Jan 24, 2026
Forecast Valid:
3am MST Jan 24, 2026-6pm MST Jan 30, 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