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

59°F

15°C

Humidity 28%
Wind Speed WSW 24 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Mar 07:05 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Breezy, with a west wind 24 to 29 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 20 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. West wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 41. Breezy.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 30. Breezy.  Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon.  Partly sunny, with a high near 40. Breezy.

    High: 40 °F

    Slight Chance
    Snow then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Breezy, with a west wind 24 to 29 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Sunday
Mostly sunny, with a high near 35. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 25. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 40. West wind 10 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 29. West wind 15 to 20 mph, with gusts as high as 29 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 41. Breezy.
Tuesday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 30. Breezy. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 40. Breezy.
Wednesday Night
Mostly cloudy, with a low around 23. Breezy.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
5:31 pm MDT Mar 21, 2026
7pm MDT Mar 21, 2026-6pm MDT Mar 28, 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