National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

21°F

-6°C

Humidity 57%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 27 Jan 09:35 PM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Wind chill values as low as -5. Southwest wind 15 to 17 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 14. Wind chill values as low as -5. Southwest wind 14 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 14 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Wind chill values as low as -13. West northwest wind around 17 mph, with gusts as high as 22 mph.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 17. Wind chill values as low as -12. West northwest wind 10 to 15 mph.

    High: 17 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. West wind around 14 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 11. Wind chill values as low as -5. Southwest wind 15 to 17 mph.
Wednesday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 14. Wind chill values as low as -5. Southwest wind 14 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 5. Wind chill values as low as -13. West northwest wind around 17 mph, with gusts as high as 22 mph.
Thursday
Partly sunny, with a high near 17. Wind chill values as low as -12. West northwest wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 10. West wind around 14 mph.
Friday
Mostly cloudy, with a high near 22.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
Last Update:
4:31 pm MST Jan 27, 2026
Forecast Valid:
9pm MST Jan 27, 2026-6pm MST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation