Petroleum County, MT: Current UV Index and Hourly Forecast

As of 3:31 PM MDT on September 15, 2025, all 1 cities in Petroleum County, MT in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Winnett, MT with a reading of 3.9.

Over the next 24 hours, the highest UV Index reading in Petroleum County, MT is expected to be 4.1 in Winnett between 2:00 PM - 3:00 PM MDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Petroleum County, MT as of 3:31 PM MDT, September 15, 2025

Current UV Index in Cities in Petroleum County, MT

3:31 PM MDT, September 15, 2025