Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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

88°F

31°C

Humidity 15%
Wind Speed SSW 10 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 06:52 PM MDT
Extended Forecast for

21 Miles WNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 53. West northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Light southwest wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West southwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 82 °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 58. South wind 5 to 10 mph.  Chance of precipitation is 50%.

    Low: 58 °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 75. Chance of precipitation is 70%.

    High: 75 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 83. Light southwest wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 57. West southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 58. South wind 5 to 10 mph. 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 75. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 49.
Monday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 51.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 43.98°N 114.03°W (Elev. 7152 ft)
5:31 pm MDT Aug 19, 2026
7pm MDT Aug 19, 2026-6pm MDT Aug 26, 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