As of 2:09 PM MDT on April 26, 2025, out of 18 cities in Lewis and Clark County, MT in our database, 13 cities (72%) have a UV Index reading of High, while 5 cities (28%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Lincoln, MT with a reading of 6.2.
Over the next 24 hours, the highest UV Index reading in Lewis and Clark County, MT is expected to be 6.2 in Lincoln between 2:00 PM - 3:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |