Lake County, MT: Current UV Index and Hourly Forecast

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As of 3:40 PM MDT on May 17, 2026, out of 23 cities in Lake County, MT in our database, 22 cities (96%) have a UV Index reading of Moderate, while 1 city (4%) have a UV Index reading of High. The city with the highest UV Index reading right now is Ravalli, MT with a reading of 5.5.

Over the next 24 hours, the highest UV Index reading in Lake County, MT is expected to be 7 in Pablo between 2:00 PM - 3:00 PM MDT tomorrow.

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Current UV Index in Cities in Lake County, MT

• Arlee - 4.8
• Bear Dance - 4.6
• Big Arm - 4.8
• Charlo - 5.1
• Dayton - 4.8
• Elmo - 4.8
• Finley Point - 4.2
• Jette - 4.8
• Kerr - 4.8
• Kicking Horse - 4.5
• Kings Point - 4.8
• Lake Mary Ronan - 5
• Lindisfarne - 4.8
• Pablo - 4.5
• Polson - 4.8
• Ravalli - 5.5
• Rocky Point - 4.8
• Rollins - 4.8
• Ronan - 4.5
• St. Ignatius - 4.8
• Swan Lake - 4.5
• Turtle Lake - 4.2
• Woods Bay - 4.6