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

45°F

7°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 21 Mar 02:55 AM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 30. Breezy, with a south southwest wind around 25 mph.

    Low: 30 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 36. Windy, with a west wind 25 to 30 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 36 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. Windy, with a west wind 29 to 34 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 48 mph.

    Low: 18 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 33. West wind 13 to 17 mph, with gusts as high as 21 mph.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. West wind 13 to 17 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after noon.  Mostly cloudy, with a high near 36. Breezy.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Breezy, with a south southwest wind around 25 mph.
Saturday
Mostly sunny, with a high near 36. Windy, with a west wind 25 to 30 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 50 mph.
Saturday Night
Partly cloudy, with a low around 18. Windy, with a west wind 29 to 34 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 48 mph.
Sunday
Sunny, with a high near 33. West wind 13 to 17 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 21. West wind 13 to 17 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 26. Breezy.
Tuesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 36. Breezy.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.
Wednesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 36. Breezy.
Wednesday Night
Partly cloudy, with a low around 20. Breezy.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 17. Breezy.
Friday
Mostly sunny, with a high near 33.
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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 am MDT Mar 21, 2026
3am 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