Gallatin County, MT: Current UV Index and Hourly Forecast

As of 8:52 PM MDT on June 27, 2025, all 18 cities in Gallatin County, MT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Bozeman, MT with a reading of 0.3.

Over the next 24 hours, the highest UV Index reading in Gallatin County, MT is expected to be 9.7 in Big Sky 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 Gallatin County, MT as of 8:52 PM MDT, June 27, 2025

Current UV Index in Cities in Gallatin County, MT

8:52 PM MDT, June 27, 2025