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

27°F

-3°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 06 Feb 12:20 AM MST
Extended Forecast for

17 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 32. South wind 3 to 5 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 44. South wind around 6 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. South wind around 5 mph becoming light and variable in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 43. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 43 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Calm wind becoming west southwest around 6 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 32. South wind 3 to 5 mph.
Friday
Increasing clouds, with a high near 44. South wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 30. South wind around 5 mph becoming light and variable in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 43. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 29. Calm wind becoming west southwest around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 29.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
Last Update:
10:31 pm MST Feb 5, 2026
Forecast Valid:
12am MST Feb 6, 2026-6pm MST Feb 12, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation