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 53%
Wind Speed W 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 20 Jan 05:20 PM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values as low as -5. West northwest wind 13 to 16 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Wind chill values as low as -3. West northwest wind 7 to 14 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Wind chill values as low as -3. West northwest wind 9 to 15 mph.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22. Wind chill values as low as -5. West northwest wind 7 to 16 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8. West wind 7 to 14 mph.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 12. Blustery.

    High: 12 °F

    Sunny and
    Blustery then
    Sunny

  • Saturday Night

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

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Wind chill values as low as -5. West northwest wind 13 to 16 mph.
Wednesday
Mostly sunny, with a high near 24. Wind chill values as low as -3. West northwest wind 7 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 12. Wind chill values as low as -3. West northwest wind 9 to 15 mph.
Thursday
Mostly sunny, with a high near 22. Wind chill values as low as -5. West northwest wind 7 to 16 mph.
Thursday Night
Partly cloudy, with a low around 8. West wind 7 to 14 mph.
Friday
Mostly sunny, with a high near 15.
Friday Night
Mostly clear, with a low around 3.
Saturday
Sunny, with a high near 12. Blustery.
Saturday Night
Mostly clear, with a low around 6.
Sunday
Sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 43.99°N 113.55°W (Elev. 9961 ft)
4:31 pm MST Jan 20, 2026
5pm MST Jan 20, 2026-6pm MST Jan 27, 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