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

68°F

20°C

Humidity 22%
Wind Speed W 17 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 Mar 12:35 PM MDT
Extended Forecast for

12 Miles NNE Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 45. Windy, with a west wind 30 to 39 mph, with gusts as high as 55 mph.

    High: 45 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 25. Windy, with a west wind 33 to 38 mph decreasing to 23 to 28 mph after midnight. Winds could gust as high as 49 mph.

    Low: 25 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 38. Breezy, with a west wind 17 to 22 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. West wind 9 to 11 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after noon, mixing with rain after 3pm.  Partly sunny, with a high near 46. Breezy.  Chance of precipitation is 20%.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending.  Partly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow.  Mostly sunny, with a high near 45. Breezy.

    High: 45 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 45. Windy, with a west wind 30 to 39 mph, with gusts as high as 55 mph.
Tonight
Mostly clear, with a low around 25. Windy, with a west wind 33 to 38 mph decreasing to 23 to 28 mph after midnight. Winds could gust as high as 49 mph.
Sunday
Sunny, with a high near 38. Breezy, with a west wind 17 to 22 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 29. West wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 45. Breezy.
Wednesday Night
Partly cloudy, with a low around 27. Breezy.
Thursday
Sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Mackay ID
 44.08°N 113.53°W (Elev. 9600 ft)
12:31 pm MDT Mar 21, 2026
12pm MDT Mar 21, 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