As of 1:40 PM MDT on April 1, 2025, out of 13 cities in Yellowstone County, MT in our database, 11 cities (85%) have a UV Index reading of Moderate, while 2 cities (15%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Broadview, MT with a reading of 3.7.
Over the next 24 hours, the highest UV Index reading in Yellowstone County, MT is expected to be 3.7 in Broadview 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 |