1 warning and 1 advisory are in effect for Colleton County, SC. The most serious is a freeze warning.
Since 2016 the National Weather Service has issued about 1,635 alerts that included Colleton County, roughly 164 a year. The most common is the coastal flood advisory (587 from 2016 to 2025). The last tornado warning was issued on June 10, 2025. 35 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 29 expected.
* WHERE...Portions of southeast Georgia and southeast 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.
FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY
Full alert text
* WHAT...Temperatures as low as 33 will result in frost formation.
* WHERE...Portions of southeast Georgia and southeast South Carolina.
* WHEN...From 1 AM to 9 AM EST Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
What to do: Take steps now to protect tender plants from the cold.
35 tornadoes have been recorded in Colleton County since 1950, killing 1 people and injuring 15. That ranks 12 of 46 counties in South Carolina. The most recent was on September 26, 2024 (rated EF1).