As of 1:20 PM CDT on June 11, 2026, out of 483 cities in South Dakota in our database, 184 cities (38%) have a UV Index reading of Moderate, 159 cities (33%) have a UV Index reading of High, 80 cities (17%) have a UV Index reading of Very High, while 60 cities (12%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Irene, SD with a reading of 8.3.
Over the next 24 hours, the highest UV Index reading in South Dakota is expected to be 8.5 in Pine Ridge between 1:00 PM - 2:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |