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

34°F

1°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 19 Jan 02:05 PM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 20. Wind chill values as low as zero. West northwest wind around 11 mph.

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values as low as -6. Northwest wind 16 to 20 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21. Wind chill values as low as -3. West northwest wind 13 to 20 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9. Wind chill values as low as -9. West northwest wind 14 to 17 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 20. West wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.

    High: 20 °F

    Sunny

  • Wednesday Night

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

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 20. Wind chill values as low as zero. West northwest wind around 11 mph.
Tonight
Mostly clear, with a low around 11. Wind chill values as low as -6. Northwest wind 16 to 20 mph.
Tuesday
Sunny, with a high near 21. Wind chill values as low as -3. West northwest wind 13 to 20 mph.
Tuesday Night
Mostly clear, with a low around 9. Wind chill values as low as -9. West northwest wind 14 to 17 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 20. West wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
Mostly sunny, with a high near 14.
Friday Night
Mostly clear, with a low around 4.
Saturday
Sunny, with a high near 16.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 44.01°N 113.58°W (Elev. 10722 ft)
2:06 pm MST Jan 19, 2026
2pm MST Jan 19, 2026-6pm MST Jan 25, 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