1 warning is in effect for Sumter County, SC. The most serious is a freeze warning.
Since 2016 the National Weather Service has issued about 794 alerts that included Sumter County, roughly 79 a year. The most common is the severe thunderstorm warning (270 from 2016 to 2025). The last tornado warning was issued on May 30, 2025. 28 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY
Full alert text
* WHAT...Sub-freezing temperatures as low as 32 expected.
* WHERE...Portions of east central Georgia and central South
Carolina.
* WHEN...From 1 AM to 9 AM EST Sunday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
What to do: Take steps now to protect tender plants from the cold.
To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
28 tornadoes have been recorded in Sumter County since 1950, killing 1 people and injuring 8. That ranks 19 of 46 counties in South Carolina. The most recent was on September 27, 2024 (rated EF0).