1 warning is in effect for Williamsburg County, SC. The most serious is a freeze warning.
Since 2016 the National Weather Service has issued about 714 alerts that included Williamsburg County, roughly 71 a year. The most common is the severe thunderstorm warning (143 from 2016 to 2025). The last tornado warning was issued on March 12, 2026. 14 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
* WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Portions of southeast North Carolina and northeast 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.
| Issued | Alert | Area |
|---|---|---|
| Nov 14, 7:51 AM EST | Freeze Warning | Bladen; Columbus; Inland Pender; Inland Brunswick; Inland Georgetown; Central Horry; Northern Horry |
Alert events that included Williamsburg County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 143 | 9 | August 21, 2026 |
| Flood Advisory | 103 | 3 | August 21, 2026 |
| Heat Advisory | 79 | 19 | September 5, 2026 |
| Flood Warning | 75 | 0 | August 14, 2025 |
| Dense Fog Advisory | 58 | 7 | October 2, 2026 |
| Freeze Warning | 30 | 2 | November 15, 2026 |
| Tornado Watch | 30 | 1 | March 16, 2026 |
| Flood Watch | 29 | 1 | July 24, 2026 |
| Severe Thunderstorm Watch | 28 | 4 | September 5, 2026 |
| Tornado Warning | 22 | 1 | March 12, 2026 |
| Freeze Watch | 17 | 2 | November 15, 2026 |
| Wind Advisory | 15 | 0 | March 5, 2025 |
| Flash Flood Warning | 14 | 1 | August 1, 2026 |
| Frost Advisory | 12 | 2 | November 14, 2026 |
| Cold Weather Advisory | 11 | 1 | January 27, 2026 |
| Tropical Storm Warning | 10 | 0 | September 25, 2024 |
| Tropical Storm Watch | 7 | 0 | August 29, 2023 |
| Winter Weather Advisory | 7 | 2 | February 1, 2026 |
| Fire Weather Watch | 5 | 1 | March 28, 2026 |
| Red Flag Warning | 5 | 1 | March 28, 2026 |
| Extreme Heat Warning | 4 | 3 | August 18, 2026 |
| Winter Storm Watch | 3 | 1 | January 31, 2026 |
| Extreme Heat Watch | 3 | 1 | August 18, 2026 |
| Winter Storm Warning | 2 | 1 | January 31, 2026 |
| Hurricane Warning | 1 | 0 | September 29, 2022 |
| Extreme Cold Watch | 1 | 1 | January 31, 2026 |
| Extreme Cold Warning | 0 | 1 | January 31, 2026 |
14 tornadoes have been recorded in Williamsburg County since 1950, injuring 16 people. That ranks 41 of 46 counties in South Carolina. The most recent was on April 19, 2019 (rated EF0).
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 4, 1978 | F2 | Clarendon County | 41.2 mi | 150 yd | 0 | 1 |
| June 10, 1998 | F1 | Williamsburg County | 20 mi | 30 yd | 0 | 0 |
| March 15, 2008 | EF1 | Williamsburg County | 4 mi | 75 yd | 0 | 0 |
| May 6, 2003 | F1 | Williamsburg County | 3.8 mi | 25 yd | 0 | 3 |
| March 15, 2008 | EF1 | Williamsburg County | 2.5 mi | 75 yd | 0 | 0 |
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 19, 2019 | EF0 | Williamsburg County | 0.3 mi | 15 yd | 0 | 0 |
| March 15, 2008 | EF1 | Williamsburg County | 4 mi | 75 yd | 0 | 0 |
| March 15, 2008 | EF1 | Williamsburg County | 2.5 mi | 75 yd | 0 | 0 |
| July 2, 2003 | F1 | Williamsburg County | 1 mi | 100 yd | 0 | 0 |
| May 6, 2003 | F1 | Williamsburg County | 3.8 mi | 25 yd | 0 | 3 |