Montana (MT): Current UV Index and Hourly Forecast

  • USA
  • Montana

As of 12:05 AM MDT on July 22, 2025, all 495 cities in Montana 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 Montana is expected to be 10.4 in West Yellowstone 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 Montana as of 12:05 AM MDT, July 22, 2025

Counties in Montana (MT)

Current UV Index in Major Cities in Montana (MT)

12:05 AM MDT, July 22, 2025