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

36°F

2°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 19 Jan 04:20 PM MST
Extended Forecast for

9 Miles N Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 14. Wind chill values as low as -3. West northwest wind 13 to 17 mph, with gusts as high as 21 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 24. Northwest wind 11 to 17 mph, with gusts as high as 21 mph.

    High: 24 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11. Wind chill values as low as -6. West wind 13 to 16 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 22. Wind chill values as low as -6. West wind 9 to 17 mph, with gusts as high as 21 mph.

    High: 22 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. West wind 9 to 14 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 16.

    High: 16 °F

    Sunny

  • Friday Night

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

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Wind chill values as low as -3. West northwest wind 13 to 17 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 24. Northwest wind 11 to 17 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 11. Wind chill values as low as -6. West wind 13 to 16 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 22. Wind chill values as low as -6. West wind 9 to 17 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 11. West wind 9 to 14 mph.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Sunny, with a high near 16.
Friday Night
Mostly clear, with a low around 6.
Saturday
Sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Mackay ID
 44.05°N 113.62°W (Elev. 11401 ft)
4:31 pm MST Jan 19, 2026
4pm MST Jan 19, 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