Cascade County, MT: Current UV Index and Hourly Forecast

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As of 10:25 AM MDT on March 24, 2026, all 24 cities in Cascade County, MT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Neihart, MT with a reading of 1.7.

Over the next 24 hours, the highest UV Index reading in Cascade County, MT is expected to be 5.5 in Neihart between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Cascade County, MT

• Belt - 0.8
• Big Stone Colony - 0.7
• Black Eagle - 0.7
• Cascade - 1.4
• Cascade Colony - 1.2
• Centerville - 0.7
• Fair Haven Colony - 1.2
• Fort Shaw - 1.2
• Gibson Flats - 0.7
• Great Falls - 0.7
• Hardy - 1.4
• Malmstrom AFB - 0.7
• Monarch - 1.7
• Neihart - 1.7
• Pleasant Valley Colony - 1
• Riceville - 1
• Sand Coulee - 0.7
• Simms - 1.4
• Stockett - 1
• Sun Prairie - 0.9
• Sun River - 1.2
• Tracy - 0.7
• Ulm - 0.9
• Vaughn - 0.9