Cascade County, MT: Current UV Index and Hourly Forecast

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As of 3:42 PM MDT on May 3, 2026, out of 24 cities in Cascade County, MT in our database, 22 cities (92%) have a UV Index reading of Moderate, while 2 cities (8%) have a UV Index reading of High. The city with the highest UV Index reading right now is Neihart, MT with a reading of 5.5.

Over the next 24 hours, the highest UV Index reading in Cascade County, MT is expected to be 5.5 in Neihart between 3:00 PM - 4:00 PM MDT today.

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Current UV Index in Cities in Cascade County, MT

• Belt - 4.9
• Big Stone Colony - 4.9
• Black Eagle - 4.9
• Cascade - 5
• Cascade Colony - 4.8
• Centerville - 4.9
• Fair Haven Colony - 4.8
• Fort Shaw - 4.8
• Gibson Flats - 4.9
• Great Falls - 4.9
• Hardy - 5
• Malmstrom AFB - 4.9
• Monarch - 5.5
• Neihart - 5.5
• Pleasant Valley Colony - 5.2
• Riceville - 5.2
• Sand Coulee - 4.9
• Simms - 4.9
• Stockett - 5.2
• Sun Prairie - 4.9
• Sun River - 4.8
• Tracy - 4.9
• Ulm - 4.9
• Vaughn - 4.9