Flathead County, MT: Current UV Index and Hourly Forecast

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As of 11:05 AM MDT on September 17, 2026, out of 24 cities in Flathead County, MT in our database, 23 cities (96%) have a UV Index reading of Moderate, while 1 city (4%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Essex, MT with a reading of 2.7.

Over the next 24 hours, the highest UV Index reading in Flathead County, MT is expected to be 4.8 in Essex between 2:00 PM - 3:00 PM MDT today.

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Current UV Index in Cities in Flathead County, MT

• Batavia - 2.5
• Bigfork - 2.6
• Columbia Falls - 2.5
• Coram - 2.5
• Essex - 2.7
• Evergreen - 2.5
• Forest Hill Village - 2.6
• Helena Flats - 2.5
• Hungry Horse - 2.5
• Kalispell - 2.5
• Kila - 2.6
• Lakeside - 2.6
• Little Bitterroot Lake - 2.5
• Marion - 2.5
• Martin City - 2.5
• Niarada - 2.6
• Olney - 2.4
• Pinnacle - 2.7
• Polebridge - 2.5
• Rhodes - 2.5
• Snowslip - 2.7
• Somers - 2.6
• West Glacier - 2.5
• Whitefish - 2.5