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

27°F

-3°C

Humidity 49%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 20 Jan 12:20 PM MST
Extended Forecast for

16 Miles NW Mackay ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 17 by 5pm. North northwest wind 10 to 13 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. Wind chill values as low as zero. North northwest wind around 11 mph.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Wind chill values as low as -1. West wind 7 to 13 mph.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10. Wind chill values as low as -1. West wind 7 to 10 mph.

    Low: 10 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 23. West wind 7 to 10 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 17 by 5pm. North northwest wind 10 to 13 mph.
Tonight
Mostly clear, with a low around 14. Wind chill values as low as zero. North northwest wind around 11 mph.
Wednesday
Mostly sunny, with a high near 23. Wind chill values as low as -1. West wind 7 to 13 mph.
Wednesday Night
Mostly clear, with a low around 10. Wind chill values as low as -1. West wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 23. West wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 14.
Friday Night
Mostly clear, with a low around 4.
Saturday
Sunny, with a high near 15.
Saturday Night
Mostly clear, with a low around 7.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
10:31 am MST Jan 20, 2026
12pm MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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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