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

Flooding Threats in the West and Southeast This Week

Monsoonal storms will continue to generate flash and urban flooding impacts into mid-week from the Intermountain West to the High Plains along the Rocky Mountain Front. Flash, urban, and isolated river flooding impacts are possible through Friday from coastal Virginia to the Georgia Coast as a stalled front brings periods of heavy rainfall to the Coastal Plain. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Mostly Cloudy

24°C

76°F

Humidity 84%
Wind Speed NE 9 km/h
Barometer 29.95 in
Dewpoint 22°C (71°F)
Visibility 14 km
Heat Index25°C (77°F)
Last update 3 Aug 2:56 am EDT
Extended Forecast for

Sumter SC

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. New precipitation amounts between 2.5 and 5 mm possible.

    Chance
    Showers

    Low: 23 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 25. Northeast wind 10 to 14 km/h. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 cm possible.

    Showers

    High: 25 °C

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Cloudy, with a low around 19. North wind around 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Showers
    Likely

    Low: 19 °C

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 27. North wind 8 to 11 km/h. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 27 °C

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 20 °C

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 29. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 29 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 21. Chance of precipitation is 30%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 21 °C

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 29. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 29 °C

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 21 °C

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 25. Northeast wind 10 to 14 km/h. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 cm possible.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Cloudy, with a low around 19. North wind around 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 27. North wind 8 to 11 km/h. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 29. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 21. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 29. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Sumter SC
 33.94°N 80.4°W (Elev. 47 m)
Last Update:
2:59 am EDT Aug 3, 2021
Forecast Valid:
3am EDT Aug 3, 2021-6pm EDT Aug 9, 2021
 
Forecast Discussion
 
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Additional Resources

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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