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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

21°F

-6°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.52 in (1033.53 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 12 Jan 08:35 AM MST
Extended Forecast for

18 Miles NW Mackay ID

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 40. Southwest wind around 5 mph becoming calm.

    High: 40 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 25. West northwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. West northwest wind 3 to 5 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West northwest wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 43. West northwest wind around 5 mph becoming calm in the morning.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 21.

    Low: 21 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 18.

    Low: 18 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 40. Southwest wind around 5 mph becoming calm.
Tonight
Partly cloudy, with a low around 25. West northwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 42. West northwest wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 23. West northwest wind around 6 mph.
Wednesday
Sunny, with a high near 43. West northwest wind around 5 mph becoming calm in the morning.
Wednesday Night
Clear, with a low around 21.
Thursday
Sunny, with a high near 41.
Thursday Night
Clear, with a low around 18.
Friday
Sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 42.
Saturday Night
Clear, with a low around 22.
Sunday
Sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Mackay ID
 44.09°N 113.9°W (Elev. 6276 ft)
Last Update:
4:31 am MST Jan 12, 2026
Forecast Valid:
8am MST Jan 12, 2026-6pm MST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation