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

21°F

-6°C

Humidity 62%
Wind Speed NE 4 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 20 Jan 10:20 AM MST
Extended Forecast for

9 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 24. North northwest wind around 14 mph, with gusts as high as 22 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 6. Wind chill values as low as -8. West northwest wind 13 to 15 mph.

    Low: 6 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 24. Wind chill values as low as -8. West wind 8 to 15 mph, with gusts as high as 18 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 9. Wind chill values as low as -6. West wind 9 to 14 mph.

    Low: 9 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 24. West wind 7 to 14 mph.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °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 1.

    Low: 1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 24. North northwest wind around 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 6. Wind chill values as low as -8. West northwest wind 13 to 15 mph.
Wednesday
Sunny, with a high near 24. Wind chill values as low as -8. West wind 8 to 15 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 9. Wind chill values as low as -6. West wind 9 to 14 mph.
Thursday
Mostly sunny, with a high near 24. West wind 7 to 14 mph.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 14.
Friday Night
Mostly clear, with a low around 1.
Saturday
Sunny, with a high near 15.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Mackay ID
 44.05°N 113.65°W (Elev. 11194 ft)
5:16 am MST Jan 20, 2026
10am 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