National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

14°F

-10°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 27 Jan 08:35 AM MST
Extended Forecast for

16 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 19. Wind chill values as low as -7. West wind 8 to 13 mph.

    High: 19 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Wind chill values as low as -2. Southwest wind 10 to 14 mph.

    Low: 12 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 17. Wind chill values as low as zero. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 17 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Wind chill values as low as -6. West northwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19. West northwest wind 10 to 14 mph.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 19. Wind chill values as low as -7. West wind 8 to 13 mph.
Tonight
Mostly cloudy, with a low around 12. Wind chill values as low as -2. Southwest wind 10 to 14 mph.
Wednesday
Mostly cloudy, with a high near 17. Wind chill values as low as zero. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 9. Wind chill values as low as -6. West northwest wind around 14 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 19. West northwest wind 10 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Mostly cloudy, with a high near 24.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
Last Update:
4:31 am MST Jan 27, 2026
Forecast Valid:
8am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation