Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

10°F

-12°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 20 Jan 06:55 AM MST
Extended Forecast for

9 Miles NNE Mackay ID

  • Today

    Today: Sunny, with a high near 27. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 9. Wind chill values as low as -3. West wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 27. Wind chill values as low as -3. West wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Wind chill values as low as -1. West wind 8 to 14 mph, with gusts as high as 18 mph.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 27. West wind 6 to 14 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 18.

    High: 18 °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 19.

    High: 19 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 27. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 9. Wind chill values as low as -3. West wind 11 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 27. Wind chill values as low as -3. West wind 7 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 12. Wind chill values as low as -1. West wind 8 to 14 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 27. West wind 6 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 18.
Friday Night
Mostly clear, with a low around 6.
Saturday
Sunny, with a high near 19.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mackay ID
 44.04°N 113.52°W (Elev. 9600 ft)
5:16 am MST Jan 20, 2026
7am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database