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.

Partly Cloudy

33°F

1°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Mar 08:55 AM MDT
Extended Forecast for

20 Miles WNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 51. West wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Southwest wind 6 to 9 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West southwest wind 6 to 8 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. West southwest wind 5 to 8 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °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: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 51. West wind 6 to 9 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 57. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 37. West southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 59. West southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles WNW Mackay ID
 44.01°N 114°W (Elev. 6588 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