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

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91° N Lon: 82.21° W Elev: 955 ft.

Fair

72°F

22°C

Humidity 87%
Wind Speed NE 5 mph
Barometer 29.95 in (1012.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 4:53 am EDT
Detailed forecast for

Greenville Mountains

Today
Sunny. Highs in the upper 80s. North winds around 5 mph, becoming southwest this afternoon.
Tonight
Mostly clear. Lows in the lower 70s. Northwest winds around 5 mph.
Thursday
Mostly sunny. Highs in the upper 80s. West winds around 5 mph.
Thursday Night
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. West winds around 5 mph. Chance of rain 30 percent.
Friday
Partly sunny. A chance of showers in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the mid 80s. North winds around 5 mph, becoming south in the afternoon. Chance of rain 80 percent.
Friday Night
Mostly cloudy with showers with thunderstorms likely in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 80 percent.
Saturday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Saturday Night
Partly cloudy. Lows in the mid 60s.
Sunday
Sunny. Highs in the mid 80s.
Sunday Night
Mostly clear. Lows in the mid 60s.
Monday
Sunny. Highs in the mid 80s.
Monday Night
Partly cloudy. Lows in the mid 60s.
Tuesday
Mostly sunny. Highs in the mid 80s.



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333 AM EDT Wed Aug 19 2026
 
 

Additional Resources

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National Digital Forecast Database