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

30°F

-1°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 31 Jan 02:35 AM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 18. West southwest wind around 15 mph, with gusts as high as 18 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. West southwest wind 8 to 14 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. South southwest wind 10 to 14 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 30. South wind 14 to 16 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. West wind around 15 mph, with gusts as high as 21 mph.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. West southwest wind around 15 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 28. West southwest wind 8 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 22. South southwest wind 10 to 14 mph.
Sunday
Partly sunny, with a high near 30. South wind 14 to 16 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 16. West wind around 15 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 20.
Friday
Sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
1:05 am MST Jan 31, 2026
2am 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