Lyman County, SD: Current UV Index and Hourly Forecast

As of 10:40 AM CDT on September 23, 2025, all 7 cities in Lyman County, SD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is West Brule, SD with a reading of 1.4.

Over the next 24 hours, the highest UV Index reading in Lyman County, SD is expected to be 5.4 in West Brule between 2:00 PM - 3:00 PM CDT today.

Search Cities in Lyman County, SD

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Lyman County, SD as of 10:40 AM CDT, September 23, 2025

Current UV Index in Cities in Lyman County, SD

10:40 AM CDT, September 23, 2025