National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

34°F

1°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 09:05 AM MDT
Extended Forecast for

21 Miles N Mackay ID

  • Today

    Today: Mostly sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 49. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 34. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 54. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 37. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 58. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 56. Breezy.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
Last Update:
5:31 am MDT Mar 17, 2026
Forecast Valid:
9am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation