Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.82 in (1008.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 28 Jul 4:53 am EDT
Extended Forecast for

3 Miles NNW Glassy Mountain SC

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 84. Northwest wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 68. North northwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. North northwest wind 13 to 17 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. North northwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Northwest wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 68. North northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 80. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 62. North northwest wind 13 to 17 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 78. North northwest wind 6 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Glassy Mountain SC
 35.15°N 82.34°W (Elev. 2589 ft)
2:30 am EDT Jul 28, 2026
5am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database