1 warning is in effect for Marion County, SC. The most serious is a freeze warning.
Since 2016 the National Weather Service has issued about 818 alerts that included Marion County, roughly 82 a year. The most common is the severe thunderstorm warning (164 from 2016 to 2025). The last tornado warning was issued on October 11, 2026. 12 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 Marion County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 164 | 22 | September 11, 2026 |
| Flood Advisory | 110 | 4 | August 29, 2026 |
| Flood Warning | 109 | 0 | October 16, 2025 |
| Heat Advisory | 82 | 28 | September 5, 2026 |
| Dense Fog Advisory | 57 | 6 | November 4, 2026 |
| Freeze Warning | 33 | 2 | November 15, 2026 |
| Tornado Watch | 33 | 2 | October 11, 2026 |
| Severe Thunderstorm Watch | 31 | 5 | September 5, 2026 |
| Flood Watch | 29 | 1 | July 24, 2026 |
| Tornado Warning | 29 | 2 | October 11, 2026 |
| Flash Flood Warning | 27 | 0 | October 12, 2025 |
| Freeze Watch | 21 | 2 | November 15, 2026 |
| Wind Advisory | 16 | 0 | March 5, 2025 |
| Frost Advisory | 14 | 2 | November 14, 2026 |
| Cold Weather Advisory | 11 | 2 | January 31, 2026 |
| Tropical Storm Warning | 10 | 0 | September 25, 2024 |
| Winter Weather Advisory | 10 | 3 | February 1, 2026 |
| Red Flag Warning | 7 | 1 | March 28, 2026 |
| Tropical Storm Watch | 6 | 0 | September 28, 2022 |
| Fire Weather Watch | 5 | 1 | March 28, 2026 |
| Extreme Heat Watch | 4 | 1 | August 18, 2026 |
| Extreme Heat Warning | 4 | 1 | August 17, 2026 |
| Winter Storm Watch | 3 | 1 | January 31, 2026 |
| Winter Storm Warning | 2 | 1 | January 31, 2026 |
| Extreme Cold Watch | 1 | 1 | January 31, 2026 |
| Extreme Cold Warning | 0 | 1 | January 31, 2026 |
12 tornadoes have been recorded in Marion County since 1950, injuring 19 people. That ranks 42 of 46 counties in South Carolina. The most recent was on September 27, 2024 (rated EF0).
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| November 7, 1995 | F4 | Marion County | 0.7 mi | 100 yd | 0 | 1 |
| February 22, 1962 | F2 | Marion County | 8.7 mi | 100 yd | 0 | 1 |
| June 21, 1961 | F2 | Marion County | 6.8 mi | 167 yd | 0 | 1 |
| June 10, 1982 | F2 | Marion County | 6 mi | 133 yd | 0 | 16 |
| April 5, 2022 | EF1 | Marion County | 5.4 mi | 50 yd | 0 | 0 |
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 27, 2024 | EF0 | Marion County | 3.9 mi | 20 yd | 0 | 0 |
| May 14, 2024 | EF1 | Marion County | 2 mi | 80 yd | 0 | 0 |
| April 5, 2022 | EF1 | Marion County | 5.4 mi | 50 yd | 0 | 0 |
| June 3, 2021 | EF1 | Marion County | 1.2 mi | 70 yd | 0 | 0 |
| September 27, 2004 | F1 | Marion County | 1.5 mi | 30 yd | 0 | 0 |