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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

16°F

-9°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 12:35 AM MST
Extended Forecast for

17 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 17. West wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30. Light west wind.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 21. North northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 21 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 3. West northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 7.

    Low: 7 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 30. Light west wind.
Thursday Night
Mostly cloudy, with a low around 12. Light and variable wind.
Friday
Sunny, with a high near 21. North northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 3. West northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 19.
Saturday Night
Clear, with a low around 7.
Sunday
Sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 11.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 36.
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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 Jan 21, 2026
Forecast Valid:
12am MST Jan 22, 2026-6pm MST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation