Union County, SD: Current UV Index and Hourly Forecast

As of 4:03 PM CDT on June 7, 2025, out of 7 cities in Union County, SD in our database, 4 cities (57%) have a UV Index reading of Low, while 3 cities (43%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Dakota Dunes, SD with a reading of 4.9.

Over the next 24 hours, the highest UV Index reading in Union County, SD is expected to be 7.9 in Dakota Dunes between 1:00 PM - 2:00 PM CDT tomorrow.

Search Cities in Union County, SD

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Union County, SD as of 4:03 PM CDT, June 7, 2025

Current UV Index in Cities in Union County, SD

4:03 PM CDT, June 7, 2025