As of 12:13 PM CDT on May 22, 2026, out of 4 cities in DeKalb County, TN in our database, 3 cities (75%) have a UV Index reading of Low, while 1 city (25%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Smithville, TN with a reading of 2.9.
Over the next 24 hours, the highest UV Index reading in DeKalb County, TN is expected to be 3.5 in Smithville between 11:00 AM - 12:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |