As of 10:04 AM CST on February 23, 2025, all 7 cities in Brule County, SD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Cedar Grove Colony, SD with a reading of 1.4.
Over the next 24 hours, the highest UV Index reading in Brule County, SD is expected to be 2.5 in Cedar Grove Colony between 1:00 PM - 2:00 PM CST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |