Montana (MT): Current UV Index and Hourly Forecast

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As of 3:20 AM MDT on May 12, 2026, 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 8.7 in Lima between 2:00 PM - 3:00 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 3:20 AM MDT, May 12, 2026

Counties in Montana (MT)

Current UV Index in Major Cities in Montana (MT)

3:20 AM MDT, May 12, 2026