Johnson County, WY: Current UV Index and Hourly Forecast

As of 2:22 PM MDT on June 27, 2025, all 2 cities in Johnson County, WY in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Buffalo, WY with a reading of 9.1.

Over the next 24 hours, the highest UV Index reading in Johnson County, WY is expected to be 10.3 in Buffalo 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 Johnson County, WY as of 2:22 PM MDT, June 27, 2025

Current UV Index in Cities in Johnson County, WY

2:22 PM MDT, June 27, 2025