Yellowstone County, MT: Current UV Index and Hourly Forecast

As of 2:25 AM MDT on June 28, 2025, all 13 cities in Yellowstone 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 Yellowstone County, MT is expected to be 8.8 in Billings between 1:00 PM - 2:00 PM MDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Yellowstone County, MT as of 2:25 AM MDT, June 28, 2025

Current UV Index in Cities in Yellowstone County, MT

2:25 AM MDT, June 28, 2025