As of 11:39 PM EDT on July 8, 2026, all 1 cities in Alleghany County, NC in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Alleghany County, NC is expected to be 8.8 in Sparta between 12:00 PM - 1:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |