Custer County, SD: Current UV Index and Hourly Forecast

As of 2:21 PM MDT on April 26, 2025, all 5 cities in Custer County, SD in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Hermosa, SD with a reading of 4.7.

Over the next 24 hours, the highest UV Index reading in Custer County, SD is expected to be 8.1 in Custer between 1:00 PM - 2:00 PM MDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Custer County, SD as of 2:21 PM MDT, April 26, 2025

Current UV Index in Cities in Custer County, SD

2:21 PM MDT, April 26, 2025