Lake Wind Advisory
LAKE WIND ADVISORY IN EFFECT FROM 2 AM SATURDAY TO 8 PM EDT SUNDAY
Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft.
Sumter County, South Carolina: tornado and severe weather warnings
A lake wind advisory is in effect for Sumter County as of 4:40 PM EDT.
Open the live map on Sumter County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Sumter County. Tap your own street on it for times that apply to you.
The last 12 months in Sumter County
- 0 tornado warnings
- 27 severe thunderstorm warnings
- 3 flash flood warnings
- 2 tornado watches
- 6 severe thunderstorm watches
No tornado warning has included Sumter County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 11, 2026 | 5:44 PM EDT | Severe thunderstorm warning | CAE | text |
| Sep 11, 2026 | 4:58 PM EDT | Severe thunderstorm warning | CAE | text |
| Sep 6, 2026 | 4:25 PM EDT | Severe thunderstorm warning | CAE | text |
| Sep 5, 2026 | 5:08 PM EDT | Severe thunderstorm warning | CAE | text |
| Sep 5, 2026 | 4:27 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 21, 2026 | 6:24 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 21, 2026 | 6:06 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 21, 2026 | 5:04 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 10, 2026 | 2:45 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 10, 2026 | 1:24 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 7, 2026 | 1:48 PM EDT | Severe thunderstorm warning | CAE | text |
| Aug 1, 2026 | 6:50 PM EDT | Flash flood warning | CAE | text |
A warning counts here if the Weather Service listed Sumter County in it, even if the warned area covered only part of the county.
Nearby
- Lee County, SC
- Clarendon County, SC
- Calhoun County, SC
- Richland County, SC
- Kershaw County, SC
- Darlington County, SC
- Florence County, SC
- Orangeburg County, SC
- All of South Carolina
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.