Custer County, ID: Current UV Index and Hourly Forecast

As of 6:04 PM MDT on June 6, 2025, all 5 cities in Custer County, ID in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Lost River, ID with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in Custer County, ID is expected to be 10.1 in Mackay between 2:00 PM - 3:00 PM MDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Custer County, ID as of 6:04 PM MDT, June 6, 2025

Current UV Index in Cities in Custer County, ID

6:04 PM MDT, June 6, 2025