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

73°F

23°C

Humidity 6%
Wind Speed WSW 11 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 18 Mar 03:20 PM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 38. South southeast wind 5 to 8 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. South southwest wind 6 to 9 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 30 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South southeast wind 5 to 8 mph.
Thursday
Sunny, with a high near 59. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 39. South southwest wind 6 to 9 mph.
Friday
Sunny, with a high near 60. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 40. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 30. Breezy.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 54.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 50. Breezy. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.17°N 113.88°W (Elev. 6821 ft)
Last Update:
12:30 pm MDT Mar 18, 2026
Forecast Valid:
3pm MDT Mar 18, 2026-6pm MDT Mar 25, 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