National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 26%
Wind Speed NNW 12 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 22 Mar 01:35 AM MDT
Extended Forecast for

18 Miles NW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 30. North wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. North northwest wind around 6 mph becoming calm.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. West southwest wind 6 to 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. North wind around 6 mph.
Sunday
Sunny, with a high near 52. North northwest wind around 6 mph becoming calm.
Sunday Night
Mostly cloudy, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 37. West southwest wind 6 to 10 mph.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Mackay ID
 44.09°N 113.9°W (Elev. 6276 ft)
Last Update:
12:31 am MDT Mar 22, 2026
Forecast Valid:
1am MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation