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

Severe Weather and Tornado Outbreak through Saturday; Excessive Rainfall and Flooding in the Tennessee and Ohio Valleys

A severe weather outbreak, including the potential for strong, long-track tornadoes, is expected through Saturday. Severe thunderstorms will impact the Midwest into the Mississippi Valley tonight, then shift into the Central Gulf Coast states and Deep South Saturday. Heavy to excessive rainfall may lead to flash and river flooding in the Tennessee and Ohio Valleys Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Partly Cloudy

57°F

14°C

Humidity 81%
Wind Speed SE 5 mph
Barometer 29.95 in (1013.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Mar 6:53 am EDT
Extended Forecast for

Greenville Downtown Airport SC

  • Today

    Today: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 76. East southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 64. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Slight Chance
    Showers then
    Heavy Rain
    and Breezy

  • Sunday

    Sunday: Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rainfall. High near 74. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 74 °F

    Heavy Rain
    and Breezy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. North northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 76. East southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 64. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rainfall. High near 74. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 47. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 62. North northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 65.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Greenville Downtown Airport SC
 34.85°N 82.35°W (Elev. 1073 ft)
Last Update:
6:23 am EDT Mar 15, 2025
Forecast Valid:
7am EDT Mar 15, 2025-6pm EDT Mar 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation