As of 1:29 PM MDT on August 29, 2026, out of 9 cities in Phillips County, MT in our database, 7 cities (78%) have a UV Index reading of Moderate, while 2 cities (22%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Whitewater, MT with a reading of 5.3.
Over the next 24 hours, the highest UV Index reading in Phillips County, MT is expected to be 5.3 in Whitewater 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 |