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

Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Slater-Marietta SC

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Patchy fog between 7am and 8am. High near 90. Heat index values as high as 101. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 92. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a chance of showers. Patchy fog between 11pm and 3am. Low around 68. North northeast wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Patchy fog between 7am and 8am. High near 90. Heat index values as high as 101. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 92. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms before 2am, then a chance of showers. Patchy fog between 11pm and 3am. Low around 68. North northeast wind 3 to 5 mph. Chance of precipitation is 80%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Slater-Marietta SC
 35.05°N 82.52°W (Elev. 1099 ft)
Last Update:
6:49 pm EDT Jul 30, 2025
Forecast Valid:
11pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation