Box Elder County, UT: Current UV Index and Hourly Forecast

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As of 8:55 AM MDT on May 14, 2026, all 19 cities in Box Elder County, UT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Brigham City, UT with a reading of 0.7.

Over the next 24 hours, the highest UV Index reading in Box Elder County, UT is expected to be 9.3 in Brigham City between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Box Elder County, UT

• Bear River City - 0.7
• Brigham City - 0.7
• Corinne - 0.7
• Deweyville - 0.7
• Elwood - 0.7
• Fielding - 0.7
• Garland - 0.7
• Honeyville - 0.7
• Howell - 0.7
• Mantua - 0.7
• Perry - 0.7
• Plymouth - 0.7
• Portage - 0.7
• Riverside - 0.7
• Snowville - 0.7
• South Willard - 0.7
• Thatcher - 0.7
• Tremonton - 0.7
• Willard - 0.7