As of 1:58 PM MDT on June 10, 2026, out of 10 cities in Big Horn County, MT in our database, 5 cities (50%) have a UV Index reading of Very High, 3 cities (30%) have a UV Index reading of Moderate, while 2 cities (20%) have a UV Index reading of High. The city with the highest UV Index reading right now is Wyola, MT with a reading of 8.3.
Over the next 24 hours, the highest UV Index reading in Big Horn County, MT is expected to be 8.3 in Wyola 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 |