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.

Overcast

67°F

19°C

Humidity 12%
Wind Speed WSW 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 17 Mar 03:55 PM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 29. West northwest wind around 17 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 23 mph.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. West wind 15 to 17 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 46. West wind 14 to 16 mph, with gusts as high as 22 mph.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. West wind 16 to 18 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West northwest wind around 17 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 31. West wind 15 to 17 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 46. West wind 14 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 31. West wind 16 to 18 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 33. Breezy.
Saturday
Mostly sunny, with a high near 43. Breezy.
Saturday Night
Partly cloudy, with a low around 23. Breezy.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 38.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 28.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 36. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
Last Update:
1:30 pm MDT Mar 17, 2026
Forecast Valid:
4pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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