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

As of 1:59 PM MDT on April 1, 2025, out of 18 cities in Lewis and Clark County, MT in our database, 17 cities (94%) have a UV Index reading of Moderate, while 1 city (6%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Helena Valley West Central, MT with a reading of 3.5.

Over the next 24 hours, the highest UV Index reading in Lewis and Clark County, MT is expected to be 4.3 in Augusta between 12:00 PM - 1:00 PM MDT 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 1:59 PM MDT, April 1, 2025

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

1:59 PM MDT, April 1, 2025