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

Spartanburg Memorial (KSPA)

Lat: 34.92°NLon: 81.95°WElev: 807ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 9:15 pm EDT
Extended Forecast for

Mayo SC

  • Tonight

    Tonight: Clear, with a low around 71. Calm wind.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am.  Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Calm wind.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 71. Calm wind.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 71. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 70%.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayo SC
 35.09°N 81.85°W (Elev. 899 ft)
8:03 pm EDT Aug 19, 2026
9pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database