National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East and West

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

89°F

32°C

Humidity 52%
Wind Speed SW 10 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 16 Jul 6:53 pm EDT
Extended Forecast for

3 Miles ESE Greenville Downtown Airport SC

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 6 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. West southwest wind 3 to 6 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 101. West southwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 75. West wind 3 to 6 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 6 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 74. West southwest wind 3 to 6 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 101. West southwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 75. West wind 3 to 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Greenville Downtown Airport SC
 34.85°N 82.32°W (Elev. 1010 ft)
Last Update:
7:08 pm EDT Jul 16, 2025
Forecast Valid:
7pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation