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

Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Spartanburg Memorial (KSPA)

Lat: 34.92°NLon: 81.95°WElev: 807ft.

Fair

81°F

27°C

Humidity 74%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Jul 11:55 pm EDT
Extended Forecast for

Spartanburg SC

Heat Advisory July 4, 12:00pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 74. Calm wind.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming south around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Light southwest wind.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Calm wind.
Independence Day
Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 74. Light southwest wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spartanburg SC
 34.96°N 81.92°W (Elev. 758 ft)
Last Update:
8:09 pm EDT Jul 3, 2026
Forecast Valid:
12am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation