As of 10:12 PM MDT on September 19, 2024, all 2 cities in Custer 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 Custer County, MT is expected to be 4.5 in Ismay between 1:00 PM - 2:00 PM MDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |