Dewey County, SD: Current UV Index and Hourly Forecast

As of 1:37 PM MDT on April 1, 2025, all 8 cities in Dewey County, SD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Lantry, SD with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Dewey County, SD is expected to be 4.6 in Isabel between 12:00 PM - 1:00 PM MDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Dewey County, SD as of 1:37 PM MDT, April 1, 2025

Current UV Index in Cities in Dewey County, SD

1:37 PM MDT, April 1, 2025