As of 2:10 PM CDT on May 12, 2026, out of 10 cities in St. Clair County, AL in our database, 6 cities (60%) have a UV Index reading of Moderate, while 4 cities (40%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Pell City, AL with a reading of 4.1.
Over the next 24 hours, the highest UV Index reading in St. Clair County, AL is expected to be 9.1 in Margaret between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |