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

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

10°F

-12°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 20 Jan 08:20 AM MST
Extended Forecast for

7 Miles NE Mackay ID

  • Today

    Today: Mostly sunny, with a high near 27. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 10. Wind chill values as low as -3. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 27. Wind chill values as low as -2. West wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Wind chill values as low as zero. West wind 7 to 13 mph, with gusts as high as 18 mph.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 27. West northwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 27. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 10. Wind chill values as low as -3. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 27. Wind chill values as low as -2. West wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 12. Wind chill values as low as zero. West wind 7 to 13 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 27. West northwest wind 6 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 19.
Friday Night
Mostly clear, with a low around 6.
Saturday
Sunny, with a high near 20.
Saturday Night
Mostly clear, with a low around 9.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Mackay ID
 43.99°N 113.52°W (Elev. 9157 ft)
Last Update:
5:16 am MST Jan 20, 2026
Forecast Valid:
8am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

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Chance of Precipitation