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

39°F

4°C

Humidity 35%
Wind Speed NNW 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Mar 03:05 AM MDT
Extended Forecast for

21 Miles N Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 35. West wind around 10 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West wind 8 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Northeast wind 8 to 14 mph becoming southwest in the morning. Winds could gust as high as 23 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Snow level 9400 feet. Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Saturday Night

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

    Low: 30 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. West wind around 10 mph.
Wednesday
Sunny, with a high near 55. West wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 37. West wind 8 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 58. Northeast wind 8 to 14 mph becoming southwest in the morning. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 38. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 20 percent chance of rain after noon. Snow level 9400 feet. Mostly sunny, with a high near 56. Breezy.
Saturday Night
Mostly cloudy, with a low around 30. Breezy.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow. Snow level 7700 feet rising to 8600 feet in the afternoon. Partly sunny, with a high near 50. Breezy. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
12:31 am MDT Mar 18, 2026
3am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database