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

36°F

2°C

Humidity 43%
Wind Speed N 5 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Mar 04:05 AM MDT
Extended Forecast for

9 Miles NNW Mackay ID

  • Today

    Today: Sunny, with a high near 40. Breezy, with a west wind 18 to 22 mph, with gusts as high as 30 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 43. West wind around 18 mph, with gusts as high as 30 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 47. West southwest wind 17 to 20 mph, with gusts as high as 33 mph.

    High: 47 °F

    Sunny

  • Friday Night

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

    Low: 32 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 40. Breezy, with a west wind 18 to 22 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 30. West wind 17 to 20 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 43. West wind around 18 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 30. West wind 17 to 21 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 47. West southwest wind 17 to 20 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around 32. Breezy.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 43. Breezy.
Saturday Night
Mostly cloudy, with a low around 22. Breezy.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 38. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Mackay ID
 44.05°N 113.65°W (Elev. 11194 ft)
Last Update:
12:31 am MDT Mar 18, 2026
Forecast Valid:
4am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation