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

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Overcast

28°F

-2°C

Humidity 86%
Wind Speed NNW 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 31 Jan 03:35 AM MST
Extended Forecast for

20 Miles WNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Light southwest wind.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38. Light and variable wind.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Calm wind becoming west around 5 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. South wind around 6 mph.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. West wind 3 to 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Monday Night

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

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Light southwest wind.
Saturday
Mostly sunny, with a high near 38. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 25. Calm wind becoming west around 5 mph after midnight.
Sunday
Partly sunny, with a high near 39. South wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 21. West wind 3 to 6 mph.
Monday
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles WNW Mackay ID
 44.01°N 114°W (Elev. 6588 ft)
1:05 am MST Jan 31, 2026
3am MST Jan 31, 2026-6pm MST Feb 6, 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