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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fair

76°F

24°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 29.96 in (1013.0 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Heat Index77°F (25°C)
Last update 5 Jul 3:53 am EDT
Extended Forecast for

3 Miles E Hogback Mountain SC

  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming south southwest 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming south southwest 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 71.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Hogback Mountain SC
 35.16°N 82.26°W (Elev. 1201 ft)
Last Update:
2:24 am EDT Jul 5, 2026
Forecast Valid:
3am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
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Additional Resources

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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