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

As of 4:35 PM MDT on August 6, 2025, all 19 cities in Box Elder County, UT in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Howell, UT with a reading of 6.

Over the next 24 hours, the highest UV Index reading in Box Elder County, UT is expected to be 8.8 in South Willard between 1:00 PM - 2:00 PM MDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Box Elder County, UT as of 4:35 PM MDT, August 6, 2025

Current UV Index in Cities in Box Elder County, UT

4:35 PM MDT, August 6, 2025