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.

Mostly Cloudy

27°F

-3°C

Humidity 73%
Wind Speed SE 9 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 23 Jan 04:47 PM MST
Extended Forecast for

Arco ID

  • Tonight

    Tonight: Mostly clear, with a low around 6. North northeast wind 5 to 7 mph becoming northwest after midnight.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 27. Wind chill values as low as -1. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. Northwest wind 5 to 9 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 27. Wind chill values as low as -1. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Monday Night

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

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 6. North northeast wind 5 to 7 mph becoming northwest after midnight.
Saturday
Sunny, with a high near 27. Wind chill values as low as -1. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 7. Northwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 27. Wind chill values as low as -1. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 9. South southwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.64°N 113.3°W (Elev. 6066 ft)
4:31 pm MST Jan 23, 2026
7pm MST Jan 23, 2026-6pm MST Jan 30, 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