1 advisory is in effect for Charleston, SC. The most serious is a frost advisory.
The National Weather Service issues alerts for Charleston as part of Charleston County.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY
* 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.
79 tornadoes have been recorded within 25 miles of Charleston since 1950, killing 1 people and injuring 51. The most recent was on September 27, 2024 (rated EF1).
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 11, 1960 | F3 | Charleston County | 8.8 mi | 100 yd | 0 | 10 |
| April 13, 2020 | EF3 | Berkeley County | 5.7 mi | 400 yd | 0 | 6 |
| May 10, 1998 | F2 | Dorchester County | 10.5 mi | 670 yd | 1 | 7 |
| May 11, 2008 | EF2 | Charleston County | 12 mi | 1,760 yd | 0 | 0 |
| September 3, 1998 | F2 | Berkeley County | 7 mi | 430 yd | 0 | 9 |
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 27, 2024 | EF1 | Charleston County | 2.5 mi | 150 yd | 0 | 0 |
| September 27, 2024 | EF0 | Charleston County | 2 mi | 90 yd | 0 | 0 |
| September 27, 2024 | EF0 | Charleston County | 2.1 mi | 125 yd | 0 | 0 |
| September 27, 2024 | EF0 | Charleston County | 2 mi | 90 yd | 0 | 0 |
| August 5, 2024 | EF1 | Charleston County | 0.7 mi | 75 yd | 0 | 0 |
| Alert type | 2016–2025 | Last issued |
|---|---|---|
| Coastal Flood Advisory | 599 | November 1, 2026 |
| Flood Advisory | 417 | October 11, 2026 |
| Severe Thunderstorm Warning | 167 | September 6, 2026 |
| Dense Fog Advisory | 78 | October 30, 2026 |
| Heat Advisory | 64 | September 5, 2026 |
| Tornado Warning | 49 | June 10, 2025 |
| Wind Advisory | 44 | March 28, 2026 |
| Coastal Flood Warning | 43 | October 26, 2026 |
| Flood Warning | 43 | August 23, 2026 |
| Tornado Watch | 41 | October 10, 2026 |