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.

Clear

30°F

-1°C

Humidity 74%
Wind Speed WSW 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 17 Mar 06:55 AM MDT
Extended Forecast for

21 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 35. West wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Southwest wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. West southwest wind 18 to 21 mph, with gusts as high as 33 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West southwest wind 16 to 20 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 47. West wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Breezy.

    High: 48 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

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

    High: 43 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 35. West wind 18 to 21 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 28. Southwest wind 17 to 20 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 41. West southwest wind 18 to 21 mph, with gusts as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 29. West southwest wind 16 to 20 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 47. West wind 15 to 20 mph, with gusts as high as 32 mph.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Sunny, with a high near 48. Breezy.
Friday Night
Partly cloudy, with a low around 32. Breezy.
Saturday
Partly sunny, with a high near 43. Breezy.
Saturday Night
Partly cloudy, with a low around 25. Breezy.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 24. Breezy.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 37. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
Last Update:
5:31 am MDT Mar 17, 2026
Forecast Valid:
7am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
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Additional Resources

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Chance of Precipitation