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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

A Few Clouds

75°F

24°C

Humidity 90%
Wind Speed NW 3 mph
Barometer 30.08 in (1017.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Aug 11:53 pm EDT
Extended Forecast for

Startex SC

  • Overnight

    Overnight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Light and variable wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Northeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Light north northeast wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Light and variable wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Northeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 70. Light north northeast wind.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Startex SC
 34.92°N 82.09°W (Elev. 755 ft)
Last Update:
6:50 pm EDT Aug 14, 2025
Forecast Valid:
1am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
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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