Lyon County, MN: Current UV Index and Hourly Forecast

As of 10:02 AM CDT on September 17, 2025, all 11 cities in Lyon County, MN in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Marshall, MN with a reading of 1.9.

Over the next 24 hours, the highest UV Index reading in Lyon County, MN is expected to be 5.6 in Marshall between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Lyon County, MN as of 10:02 AM CDT, September 17, 2025

Current UV Index in Cities in Lyon County, MN

10:02 AM CDT, September 17, 2025