Yellowstone County, MT: Current UV Index and Hourly Forecast

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As of 3:30 AM MDT on August 12, 2025, all 13 cities in Yellowstone County, MT in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Yellowstone County, MT is expected to be 8.6 in Broadview between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Yellowstone County, MT

• Acton - 0
• Ballantine - 0
• Billings - 0
• Broadview - 0
• Custer - 0
• Huntley - 0
• Laurel - 0
• Lockwood - 0
• Mountain View Colony - 0
• Nibbe - 0
• Pompeys Pillar - 0
• Shepherd - 0
• Worden - 0