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

41°F

5°C

Humidity 30%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Mar 01:20 AM MDT
Extended Forecast for

9 Miles NNE Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 31. West wind 18 to 21 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. West wind 18 to 21 mph, with gusts as high as 33 mph.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. West wind around 18 mph, with gusts as high as 31 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 48. West wind 17 to 20 mph, with gusts as high as 34 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. West wind 17 to 20 mph, with gusts as high as 34 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 48. Windy.

    High: 48 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Windy.

    Low: 25 °F

    Mostly Cloudy
    and Windy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. West wind 18 to 21 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 44. West wind 18 to 21 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 33. West wind around 18 mph, with gusts as high as 31 mph.
Thursday
Sunny, with a high near 48. West wind 17 to 20 mph, with gusts as high as 34 mph.
Thursday Night
Mostly clear, with a low around 33. West wind 17 to 20 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 48. Windy.
Saturday Night
Mostly cloudy, with a low around 25. Windy.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 40. Breezy.
Monday Night
Mostly cloudy, with a low around 29. Breezy.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 43. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mackay ID
 44.04°N 113.52°W (Elev. 9600 ft)
Last Update:
12:31 am MDT Mar 18, 2026
Forecast Valid:
1am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation