Mellette County, SD: Current UV Index and Hourly Forecast

As of 11:13 AM CDT on September 21, 2025, all 5 cities in Mellette County, SD in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is White River, SD with a reading of 2.9.

Over the next 24 hours, the highest UV Index reading in Mellette County, SD is expected to be 5.7 in White River between 2:00 PM - 3:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Mellette County, SD as of 11:13 AM CDT, September 21, 2025

Current UV Index in Cities in Mellette County, SD

11:13 AM CDT, September 21, 2025