As of 10:54 AM MST on December 8, 2024, all 18 cities in Lewis and Clark County, MT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Helena, MT with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Lewis and Clark County, MT is expected to be 0.9 in Rimini between 12:00 PM - 1:00 PM MST today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
---|---|---|---|---|---|
Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |