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

9 Miles WSW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 21. Blustery, with a west northwest wind 17 to 26 mph, with gusts as high as 37 mph.

    Low: 21 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. West southwest wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. West wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. West wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. West wind 14 to 20 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 43. Breezy.

    High: 43 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Slight Chance
    Snow and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Windy.

    High: 42 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Windy.

    Low: 25 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Blustery, with a west northwest wind 17 to 26 mph, with gusts as high as 37 mph.
Sunday
Mostly sunny, with a high near 36. West southwest wind 10 to 17 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 25. West wind 9 to 14 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 40. West wind 8 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 30. West wind 14 to 20 mph, with gusts as high as 28 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 43. Breezy.
Tuesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 30. Breezy.
Wednesday
Mostly sunny, with a high near 42. Windy.
Wednesday Night
Partly cloudy, with a low around 25. Windy.
Thursday
Mostly sunny, with a high near 36. Breezy.
Thursday Night
Partly cloudy, with a low around 22. Breezy.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Mackay ID
 43.84°N 113.76°W (Elev. 10052 ft)
Last Update:
5:31 pm MDT Mar 21, 2026
Forecast Valid:
8pm MDT Mar 21, 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