Lake County, MT: Current UV Index and Hourly Forecast

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As of 11:10 AM MDT on May 17, 2025, all 23 cities in Lake County, MT in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is St. Ignatius, MT with a reading of 4.5.

Over the next 24 hours, the highest UV Index reading in Lake County, MT is expected to be 6.7 in St. Ignatius between 2:00 PM - 3:00 PM MDT today.

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Current UV Index in Cities in Lake County, MT

• Arlee - 4.5
• Bear Dance - 4
• Big Arm - 4.2
• Charlo - 4.2
• Dayton - 4.2
• Elmo - 4.2
• Finley Point - 4.3
• Jette - 4.2
• Kerr - 4.2
• Kicking Horse - 4.3
• Kings Point - 4.2
• Lake Mary Ronan - 4
• Lindisfarne - 4.2
• Pablo - 4.3
• Polson - 4.2
• Ravalli - 4.4
• Rocky Point - 4.2
• Rollins - 4
• Ronan - 4.3
• St. Ignatius - 4.5
• Swan Lake - 4.1
• Turtle Lake - 4.3
• Woods Bay - 4