First published · Last updated
Severe Thunderstorm Warning issued by NWS Greenville-Spartanburg SC
The National Weather Service Greenville-Spartanburg office issued a Severe Thunderstorm Warning on Sept 18 at 5:35 PM EDT (2026-09-18T21:35:00Z) valid until 6:15 PM EDT for the Greenville–Spartanburg, SC area.
Categories: severe-weather-and-natural-disasters
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 9/10
- Geographic reach
- 3/10
- Global importance
- 5/10
- Impact magnitude
- 4/10
- Positivity
- 2/10
- Urgency
- 9/10
Why it matters
Severe thunderstorms can produce damaging wind, hail, heavy rain, and lightning that pose risks to people, property, and travel in the warned area while the warning is in effect.

