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. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday 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

73°F

23°C

Humidity 9%
Wind Speed WSW 14 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 19 Mar 05:05 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)
12:31 pm MDT Mar 19, 2026
5pm 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