As of 12:50 PM MDT on June 17, 2026, out of 4 cities in McCone County, MT in our database, 3 cities (75%) have a UV Index reading of Moderate, while 1 city (25%) have a UV Index reading of High. The city with the highest UV Index reading right now is Brockway, MT with a reading of 6.3.
Over the next 24 hours, the highest UV Index reading in McCone County, MT is expected to be 6.3 in Brockway between 12:00 PM - 1:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |