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

As of 7:01 PM MDT on October 21, 2025, all 10 cities in Big Horn County, MT in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Big Horn County, MT is expected to be 3.3 in Wyola 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 7:01 PM MDT, October 21, 2025

Current UV Index in Cities in Big Horn County, MT

7:01 PM MDT, October 21, 2025