Flathead County, MT: Current UV Index and Hourly Forecast

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As of 3:44 PM MDT on May 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 High. The city with the highest UV Index reading right now is Whitefish, MT with a reading of 5.7.

Over the next 24 hours, the highest UV Index reading in Flathead County, MT is expected to be 6.9 in Kalispell between 2:00 PM - 3:00 PM MDT tomorrow.

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Current UV Index in Cities in Flathead County, MT

• Batavia - 5.4
• Bigfork - 4.6
• Columbia Falls - 5.2
• Coram - 4.9
• Essex - 4.8
• Evergreen - 5.2
• Forest Hill Village - 4.8
• Helena Flats - 5.2
• Hungry Horse - 4.9
• Kalispell - 5.2
• Kila - 5
• Lakeside - 4.8
• Little Bitterroot Lake - 4.9
• Marion - 4.9
• Martin City - 4.9
• Niarada - 4.9
• Olney - 5.3
• Pinnacle - 4.8
• Polebridge - 5.4
• Rhodes - 5.4
• Snowslip - 4.8
• Somers - 4.8
• West Glacier - 4.9
• Whitefish - 5.7