As of 2:22 PM CST on December 8, 2025, all 14 cities in Roberts County, SD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Ortley, SD with a reading of 0.9.
Over the next 24 hours, the highest UV Index reading in Roberts County, SD is expected to be 0.9 in Ortley between 2:00 PM - 3:00 PM CST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |