Gregory County, SD: Current UV Index and Hourly Forecast

As of 1:43 AM CDT on September 1, 2025, all 7 cities in Gregory County, SD in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Gregory County, SD is expected to be 6.1 in Gregory between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Gregory County, SD as of 1:43 AM CDT, September 1, 2025

Current UV Index in Cities in Gregory County, SD

1:43 AM CDT, September 1, 2025