As of 11:16 AM MDT on August 9, 2025, out of 14 cities in Park County, MT in our database, 10 cities (71%) have a UV Index reading of High, while 4 cities (29%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Silver Gate, MT with a reading of 5.9.
Over the next 24 hours, the highest UV Index reading in Park County, MT is expected to be 8.6 in South Glastonbury between 1:00 PM - 2:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |