Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

34°F

1°C

Humidity 74%
Wind Speed NW 9 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 31 Jan 08:47 PM MST
Extended Forecast for

Arco ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 44 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. East northeast wind around 6 mph becoming northwest in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 44. North northwest wind around 5 mph becoming calm.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. East northeast wind around 6 mph becoming northwest in the evening.
Monday
Sunny, with a high near 44. North northwest wind around 5 mph becoming calm.
Monday Night
Partly cloudy, with a low around 20. South southwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.62°N 113.3°W (Elev. 5364 ft)
4:31 pm MST Jan 31, 2026
9pm MST Jan 31, 2026-6pm MST Feb 7, 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