Big Horn County, MT: Current UV Index and Hourly Forecast

As of 8:06 PM MDT on July 6, 2025, all 10 cities in Big Horn County, MT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Hardin, MT with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in Big Horn County, MT is expected to be 9.4 in Fort Smith 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 Big Horn County, MT as of 8:06 PM MDT, July 6, 2025

Current UV Index in Cities in Big Horn County, MT

8:06 PM MDT, July 6, 2025