As of 10:15 AM CDT on August 11, 2026, all 15 cities in DeKalb County, AL in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Valley Head, AL with a reading of 5.6.
Over the next 24 hours, the highest UV Index reading in DeKalb County, AL is expected to be 9.9 in Collinsville between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |