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

54°F

12°C

Humidity 27%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Mar 11:35 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Sunny, with a high near 41. West wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 46. West wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. West wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. West southwest wind 15 to 21 mph, with gusts as high as 33 mph.

    High: 48 °F

    Sunny

  • Friday Night

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

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • 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 41. West wind 15 to 18 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 30. West wind 14 to 17 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 46. West wind 14 to 18 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 29. West wind 15 to 18 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 48. West southwest wind 15 to 21 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 44. 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 37.
Monday Night
Mostly cloudy, with a low around 26. Breezy.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 39. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
Last Update:
11:31 am MDT Mar 18, 2026
Forecast Valid:
11am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation