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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

46°F

8°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 18 Mar 10:35 AM MDT
Extended Forecast for

23 Miles NNW Mackay ID

  • Today

    Today: Sunny, with a high near 54. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. West southwest wind 7 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. South wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 38. West southwest wind 7 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 58. South wind 7 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 38. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 59. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 30. Breezy.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NNW Mackay ID
 44.2°N 113.86°W (Elev. 7402 ft)
Last Update:
5:31 am MDT Mar 18, 2026
Forecast Valid:
10am MDT Mar 18, 2026-6pm MDT Mar 24, 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