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

As of 1:31 AM MDT on June 28, 2025, 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 8.4 in York between 1:00 PM - 2:00 PM MDT today.

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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 1:31 AM MDT, June 28, 2025

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

1:31 AM MDT, June 28, 2025