1 warning is in effect for Dorchester County, SC. The most serious is a freeze warning.
Since 2016 the National Weather Service has issued about 833 alerts that included Dorchester County, roughly 83 a year. The most common is the flood advisory (189 from 2016 to 2025). The last tornado warning was issued on September 27, 2024. 22 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.
22 tornadoes have been recorded in Dorchester County since 1950, killing 1 people and injuring 11. That ranks 28 of 46 counties in South Carolina. The most recent was on April 5, 2022 (rated EF0).