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.

Clear

23°F

-5°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 01 Feb 07:00 AM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • Today

    Today: Mostly sunny, with a high near 27. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as -7. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 22. Wind chill values as low as -8. Blustery, with a west northwest wind 13 to 22 mph.

    High: 22 °F

    Sunny and
    Blustery then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Wind chill values as low as -2. West northwest wind 14 to 21 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. Blustery, with a west northwest wind 14 to 22 mph.

    High: 27 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 27. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 11. Wind chill values as low as -7. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 22. Wind chill values as low as -8. Blustery, with a west northwest wind 13 to 22 mph.
Monday Night
Partly cloudy, with a low around 15. Wind chill values as low as -2. West northwest wind 14 to 21 mph.
Tuesday
Mostly sunny, with a high near 27. Blustery, with a west northwest wind 14 to 22 mph.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly clear, with a low around 20.
Thursday
Sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 44.01°N 113.58°W (Elev. 10722 ft)
4:32 am MST Feb 1, 2026
7am MST Feb 1, 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