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Severe Thunderstorm Warning issued September 21 at 6:40PM EDT until September 21 at 6:45PM EDT by NWS Greenville-Spartanburg SC
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Severe Thunderstorm Warning issued September 21 at 6:40PM EDT until September 21 at 6:45PM EDT by NWS Greenville-Spartanburg SC

The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. To report severe weather to the National Weather Ser...

Staff Writer
09/21/2026 · Greenville County edition

**Severe Thunderstorm Warning issued September 21 at 6:40PM EDT until September 21 at 6:45PM EDT by NWS Greenville-Spartanburg SC**

The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm.

To report severe weather to the National Weather Service Greenville-Spartanburg, call toll free, 1, 800, 2 6 7, 8 1 0 1, or post on our Facebook page, or post it to X using hashtag nwsgsp. Your message should describe the event and the specific location where it occurred.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Greenville-Spartanburg SC

- **Effective:** Sep 21, 2026 6:40 PM UTC

- **Expires:** Sep 21, 2026 6:50 PM UTC

*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*

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