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

67°F

19°C

Humidity 22%
Wind Speed W 17 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 21 Mar 11:09 AM MDT
Extended Forecast for

18 Miles NW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 59. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Breezy, with a west wind 17 to 22 mph becoming north 5 to 10 mph in the evening. Winds could gust as high as 37 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon.  Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.
Tonight
Mostly clear, with a low around 29. Breezy, with a west wind 17 to 22 mph becoming north 5 to 10 mph in the evening. Winds could gust as high as 37 mph.
Sunday
Sunny, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. Southwest wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 55. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 56.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39.
Wednesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Mackay ID
 44.09°N 113.9°W (Elev. 6276 ft)
5:31 am MDT Mar 21, 2026
11am 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