Flathead County, MT: Current UV Index and Hourly Forecast

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As of 1:45 PM MDT on July 19, 2026, all 24 cities in Flathead County, MT in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Essex, MT with a reading of 8.7.

Over the next 24 hours, the highest UV Index reading in Flathead County, MT is expected to be 8.8 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 - 8.4
• Bigfork - 8.4
• Columbia Falls - 8.3
• Coram - 8.3
• Essex - 8.7
• Evergreen - 8.3
• Forest Hill Village - 8.4
• Helena Flats - 8.3
• Hungry Horse - 8.3
• Kalispell - 8.3
• Kila - 8.6
• Lakeside - 8.4
• Little Bitterroot Lake - 8.6
• Marion - 8.6
• Martin City - 8.3
• Niarada - 8.5
• Olney - 8.2
• Pinnacle - 8.6
• Polebridge - 8.2
• Rhodes - 8.4
• Snowslip - 8.7
• Somers - 8.4
• West Glacier - 8.3
• Whitefish - 8.3