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

36°F

2°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 20 Mar 06:20 AM MDT
Extended Forecast for

21 Miles NNW Mackay ID

  • Today

    Today: Sunny, with a high near 45. West southwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South southwest wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Breezy, with a southwest wind 20 to 28 mph, with gusts as high as 44 mph.

    High: 43 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. Breezy, with a west northwest wind 24 to 29 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 43 mph.

    Low: 20 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 37. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm.  Partly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 45. West southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 34. South southwest wind 17 to 20 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 43. Breezy, with a southwest wind 20 to 28 mph, with gusts as high as 44 mph.
Saturday Night
Partly cloudy, with a low around 20. Breezy, with a west northwest wind 24 to 29 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 43 mph.
Sunday
Sunny, with a high near 37. West wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 42. Breezy.
Wednesday Night
Partly cloudy, with a low around 21. Windy.
Thursday
Sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
5:31 am MDT Mar 20, 2026
6am 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