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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

49°F

9°C

Humidity 38%
Wind Speed WSW 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 05 Feb 04:55 PM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 23. South wind 10 to 15 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 31. South wind 13 to 15 mph.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Southwest wind around 14 mph becoming west northwest after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. Northwest wind 9 to 13 mph.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West wind 10 to 15 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Breezy. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly before 11am. Cloudy, with a high near 22. Breezy. Chance of precipitation is 60%.

    High: 22 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Heavy Snow
    and Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 23. South wind 10 to 15 mph.
Friday
Increasing clouds, with a high near 31. South wind 13 to 15 mph.
Friday Night
Mostly cloudy, with a low around 21. Southwest wind around 14 mph becoming west northwest after midnight.
Saturday
Partly sunny, with a high near 29. Northwest wind 9 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 20. West wind 10 to 15 mph.
Sunday
Partly sunny, with a high near 29.
Sunday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Breezy. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly before 11am. Cloudy, with a high near 22. Breezy. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 10. Blustery.
Tuesday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 16.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 17.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 7.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 16.
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Forecast Area
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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 Feb 5, 2026
Forecast Valid:
5pm MST Feb 5, 2026-6pm MST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation