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 5%
Wind Speed W 18 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 18 Mar 01:55 PM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. West wind around 16 mph, with gusts as high as 26 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 44. West wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. West southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

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

    Low: 31 °F

    Partly Cloudy

  • Saturday

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

    High: 43 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Windy.

    Low: 21 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 42. West wind around 16 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 30. West wind 14 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 44. West wind 13 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 30. West wind 15 to 17 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 47. West southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 43. Breezy.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. Windy.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 37. Breezy.
Monday Night
Mostly cloudy, with a low around 26. Breezy.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 41. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
Last Update:
12:30 pm MDT Mar 18, 2026
Forecast Valid:
2pm MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation