Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

42°F

6°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 20 Mar 02:55 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 36. Breezy, with a west southwest wind around 22 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 48. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 32 mph.

    High: 48 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 32 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Windy, with a southwest wind 25 to 30 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 49 mph.

    High: 44 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Windy, with a west northwest wind 28 to 38 mph decreasing to 17 to 27 mph after midnight. Winds could gust as high as 49 mph.

    Low: 24 °F

    Mostly Cloudy
    and Windy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Breezy.

    High: 40 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Breezy, with a west southwest wind around 22 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 48. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 32 mph.
Friday Night
Partly cloudy, with a low around 38. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 44. Windy, with a southwest wind 25 to 30 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 49 mph.
Saturday Night
Partly cloudy, with a low around 24. Windy, with a west northwest wind 28 to 38 mph decreasing to 17 to 27 mph after midnight. Winds could gust as high as 49 mph.
Sunday
Sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 27. Breezy.
Monday
Partly sunny, with a high near 40. Breezy.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 45. Breezy.
Tuesday Night
Partly cloudy, with a low around 34. Breezy.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 44. Windy.
Wednesday Night
Mostly clear, with a low around 24. Windy.
Thursday
Sunny, with a high near 33. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
12:30 am MDT Mar 20, 2026
3am MDT Mar 20, 2026-6pm MDT Mar 26, 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