Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

52°F

11°C

Humidity 34%
Wind Speed E 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Mar 11:20 PM MDT
Extended Forecast for

12 Miles NNE Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 15 to 18 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Windy, with a west wind 20 to 25 mph increasing to 33 to 38 mph in the afternoon. Winds could gust as high as 60 mph.

    High: 46 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Windy, with a west northwest wind 29 to 34 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph.

    Low: 25 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 40. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 39. Southwest wind 15 to 18 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 46. Windy, with a west wind 20 to 25 mph increasing to 33 to 38 mph in the afternoon. Winds could gust as high as 60 mph.
Saturday Night
Mostly clear, with a low around 25. Windy, with a west northwest wind 29 to 34 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph.
Sunday
Sunny, with a high near 40. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 28. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Mostly sunny, with a high near 47. Breezy.
Wednesday Night
Partly cloudy, with a low around 25. Breezy.
Thursday
Sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
5:31 pm MDT Mar 20, 2026
11pm MDT Mar 20, 2026-6pm MDT Mar 27, 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