As of 9:36 AM EDT on September 7, 2026, all 7 cities in Alleghany County, VA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Clifton Forge, VA with a reading of 0.7.
Over the next 24 hours, the highest UV Index reading in Alleghany County, VA is expected to be 6.4 in Mallow between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |