As of 1:21 PM MST on February 23, 2025, out of 495 cities in Montana in our database, 281 cities (57%) have a UV Index reading of Low, while 214 cities (43%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Dillon, MT with a reading of 3.9.
Over the next 24 hours, the highest UV Index reading in Montana is expected to be 4.7 in Lima between 12:00 PM - 1:00 PM MST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |