Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

75°F

24°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 29.97 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 23 Jun 1:53 am EDT
Extended Forecast for

Sans Souci SC

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 5am.  Mostly cloudy, with a low around 70. Southwest wind around 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly cloudy, then gradually becoming sunny, with a high near 89. West wind around 6 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. North wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Northeast wind around 6 mph becoming calm  in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

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

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 5am. Mostly cloudy, with a low around 70. Southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. West wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 65. North wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 86. Northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. Light and variable wind.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Sans Souci SC
 34.88°N 82.45°W (Elev. 1004 ft)
5:44 pm EDT Jun 22, 2026
2am EDT Jun 23, 2026-6pm EDT Jun 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database