South Dakota (SD): Current UV Index and Hourly Forecast

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As of 3:22 PM CDT on September 17, 2025, out of 483 cities in South Dakota in our database, 469 cities (97%) have a UV Index reading of Low, while 14 cities (3%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Newell, SD with a reading of 3.2.

Over the next 24 hours, the highest UV Index reading in South Dakota is expected to be 5.8 in Springfield between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in South Dakota as of 3:22 PM CDT, September 17, 2025

Counties in South Dakota (SD)

Current UV Index in Major Cities in South Dakota (SD)

3:22 PM CDT, September 17, 2025