Valley County, MT: Current UV Index and Hourly Forecast

As of 9:46 PM MDT on September 18, 2025, all 7 cities in Valley 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 Valley County, MT is expected to be 5 in Frazer between 1:00 PM - 2:00 PM MDT tomorrow.

Search Cities in Valley County, MT

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Valley County, MT as of 9:46 PM MDT, September 18, 2025

Current UV Index in Cities in Valley County, MT

9:46 PM MDT, September 18, 2025