Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

64°F

18°C

Humidity 34%
Wind Speed NNW 4 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 19 Aug 02:35 AM MDT
Extended Forecast for

Mackay ID

  • Overnight

    Overnight: Mostly clear, with a low around 53. Northwest wind around 9 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Northwest wind 6 to 9 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 3 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 9 mph in the morning.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. West wind around 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Northwest wind around 9 mph.
Wednesday
Sunny, with a high near 83. Northwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 60. West wind around 7 mph.
Friday
Mostly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Mackay ID
 43.92°N 113.62°W (Elev. 5988 ft)
2:31 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database