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

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

76°F

24°C

Humidity 79%
Wind Speed Calm
Barometer 30.01 in (1015.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Aug 6:53 am EDT
Extended Forecast for

3 Miles SW Berea SC

  • Today

    Today: Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 10pm.  Partly cloudy, with a low around 72. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm.  Increasing clouds, with a high near 94. Heat index values as high as 103. Calm wind becoming east 5 to 7 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 69. East southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

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

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming south southwest around 6 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 94. Heat index values as high as 103. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 69. East southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 92. Light and variable wind.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Berea SC
 34.84°N 82.49°W (Elev. 807 ft)
6:34 am EDT Aug 20, 2026
7am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database