Fergus County, MT: Current UV Index and Hourly Forecast

As of 7:41 PM MDT on August 31, 2025, all 17 cities in Fergus County, MT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Lewistown, MT with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in Fergus County, MT is expected to be 6.3 in Ayers Ranch Colony 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 Fergus County, MT as of 7:41 PM MDT, August 31, 2025

Current UV Index in Cities in Fergus County, MT

7:41 PM MDT, August 31, 2025