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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Overcast

74°F

23°C

Humidity 91%
Wind Speed SW 3 mph
Barometer 30.13 in (1019.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 3 Oct 9:53 am EDT
Extended Forecast for

Welcome SC

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 83. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Slight Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then showers likely. Patchy fog after midnight. Low around 63. Northeast wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog. High near 71. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 78. Northeast wind 3 to 8 mph.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 83. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then showers likely. Patchy fog after midnight. Low around 63. Northeast wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog. High near 71. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 78. Northeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Welcome SC
 34.82°N 82.46°W (Elev. 928 ft)
Last Update:
6:43 am EDT Oct 3, 2026
Forecast Valid:
10am EDT Oct 3, 2026-6pm EDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation