Lewis and Clark County, MT: Current UV Index and Hourly Forecast

As of 6:23 PM MST on March 3, 2026, all 18 cities in Lewis and Clark County, MT in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Lewis and Clark County, MT is expected to be 2.4 in Rimini between 1:00 PM - 2:00 PM MST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Lewis and Clark County, MT as of 6:23 PM MST, March 3, 2026

Current UV Index in Cities in Lewis and Clark County, MT

6:23 PM MST, March 3, 2026