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

70°F

21°C

Humidity 10%
Wind Speed WSW 6 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 19 Mar 06:35 PM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 43. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 30 mph.

    High: 43 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Windy, with a south southwest wind 23 to 31 mph, with gusts as high as 44 mph.

    High: 39 °F

    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. Windy, with a west northwest wind 28 to 33 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 43 mph.

    Low: 18 °F

    Mostly Cloudy
    and Windy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 43. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 31. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 29 mph.
Saturday
Partly sunny, with a high near 39. Windy, with a south southwest wind 23 to 31 mph, with gusts as high as 44 mph.
Saturday Night
Partly cloudy, with a low around 18. Windy, with a west northwest wind 28 to 33 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 43 mph.
Sunday
Sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 29.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 34. Breezy.
Wednesday Night
Partly cloudy, with a low around 16. Windy.
Thursday
Sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
5:31 pm MDT Mar 19, 2026
6pm MDT Mar 19, 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