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

39°F

4°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Mar 04:35 AM MDT
Extended Forecast for

21 Miles N Mackay ID

  • Today

    Today: Mostly sunny, with a high near 55. Windy, with a west wind 10 to 20 mph increasing to 21 to 31 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 55 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 28. Breezy, with a northwest wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 47 mph.

    Low: 28 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 49. West southwest wind 3 to 7 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. West southwest wind 3 to 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow before 9am, then a chance of rain.  Snow level 8300 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before midnight.  Snow level 9600 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon.  Snow level 8700 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 52. Breezy.

    High: 52 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 55. Windy, with a west wind 10 to 20 mph increasing to 21 to 31 mph in the afternoon. Winds could gust as high as 50 mph.
Tonight
Mostly clear, with a low around 28. Breezy, with a northwest wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 47 mph.
Sunday
Sunny, with a high near 49. West southwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 30. West southwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 52. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain and snow before 9am, then a chance of rain. Snow level 8300 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of rain, mainly before midnight. Snow level 9600 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of rain, mainly before noon. Snow level 8700 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 52. Breezy.
Wednesday Night
Partly cloudy, with a low around 30. Breezy.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
3:06 am MDT Mar 21, 2026
4am 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