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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

39°F

4°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 09:55 AM MDT
Extended Forecast for

11 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 34. Breezy, with a west northwest wind around 23 mph, with gusts as high as 31 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Blustery, with a west wind 21 to 23 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Mostly Clear
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 41. Breezy, with a west wind around 22 mph, with gusts as high as 30 mph.

    High: 41 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Breezy, with a west wind 18 to 22 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 44. West wind 17 to 20 mph, with gusts as high as 29 mph.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Breezy.

    Low: 31 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 46. Breezy.

    High: 46 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 42. Breezy.

    High: 42 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 34. Breezy, with a west northwest wind around 23 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 29. Blustery, with a west wind 21 to 23 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 41. Breezy, with a west wind around 22 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 29. Breezy, with a west wind 18 to 22 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 44. West wind 17 to 20 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 31. Breezy.
Friday
Sunny, with a high near 46. Breezy.
Friday Night
Partly cloudy, with a low around 31. Breezy.
Saturday
Partly sunny, with a high near 42. Breezy.
Saturday Night
Partly cloudy, with a low around 24. Windy.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 23. Breezy.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
Last Update:
5:31 am MDT Mar 17, 2026
Forecast Valid:
10am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation