As of 12:53 PM CDT on April 14, 2026, out of 2 cities in Buffalo County, SD in our database, 1 city (50%) have a UV Index reading of Moderate, while 1 city (50%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Gann Valley, SD with a reading of 2.6.
Over the next 24 hours, the highest UV Index reading in Buffalo County, SD is expected to be 5.9 in Fort Thompson between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |