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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Clear

57°F

14°C

Humidity 35%
Wind Speed NW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Mar 10:47 AM MDT
Extended Forecast for

5 Miles S Mackay ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 30. West northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 33 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Northwest wind 5 to 7 mph becoming calm.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 30. West northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the evening. Winds could gust as high as 33 mph.
Sunday
Mostly sunny, with a high near 51. Northwest wind 5 to 7 mph becoming calm.
Sunday Night
Mostly cloudy, with a low around 34. Southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Mackay ID
 43.83°N 113.61°W (Elev. 6506 ft)
Last Update:
12:31 pm MDT Mar 21, 2026
Forecast Valid:
1pm MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation