Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85° N Lon: 82.35° W Elev: 1010 ft.

Fair

74°F

23°C

Humidity 88%
Wind Speed Calm
Barometer 30.00 in (1014.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 13 Aug 6:53 am EDT
Detailed forecast for

Southern Greenville

Today
Mostly sunny. A chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. West winds around 5 mph. Chance of rain 30 percent. Heat index values up to 103.
Tonight
Partly cloudy. Lows in the mid 70s. West winds around 5 mph.
Friday
Mostly sunny. Hot with highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 107.
Friday Night
Mostly clear. Lows in the mid 70s. Northwest winds around 5 mph.
Saturday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Northeast winds around 5 mph. Chance of rain 40 percent. Heat index values up to 109.
Saturday Night
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 70s. Chance of rain 40 percent.
Sunday
Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105.
Sunday Night
Partly cloudy. Lows in the mid 70s.
Monday
Sunny, hot with highs in the upper 90s. Heat index values up to 105.
Monday Night
Mostly clear. Lows in the mid 70s.
Tuesday
Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 105.
Tuesday Night
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the mid 70s. Chance of rain 40 percent.
Wednesday
Mostly sunny. Highs in the mid 90s. Heat index values up to 100.



Basemap Options
Click map to change the forecast location
Loading map...
654 AM EDT Thu Aug 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database