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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fair

84°F

29°C

Humidity 34%
Wind Speed SW 10 G 22 mph
Barometer 30.03 in (1015.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Apr 2:53 pm EDT
Extended Forecast for

Startex SC

  • Tonight

    Tonight: Mostly clear, with a low around 61. Southwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 22 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. South southwest wind around 7 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 9am and 2pm. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Southwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Calm wind.
Saturday
Mostly sunny, with a high near 90. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 58. South southwest wind around 7 mph.
Sunday
A 30 percent chance of showers, mainly between 9am and 2pm. Mostly cloudy, with a high near 71.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 43.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Startex SC
 34.93°N 82.12°W (Elev. 856 ft)
Last Update:
2:25 pm EDT Apr 16, 2026
Forecast Valid:
3pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation