Idaho (ID): Current UV Index and Hourly Forecast

As of 11:29 AM MDT on September 11, 2025, out of 237 cities in Idaho in our database, 131 cities (55%) have a UV Index reading of Moderate, while 106 cities (45%) have a UV Index reading of Low. The city with the highest UV Index reading right now is St. Charles, ID with a reading of 4.2.

Over the next 24 hours, the highest UV Index reading in Idaho is expected to be 6.7 in Franklin between 2:00 PM - 3:00 PM MDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Idaho as of 11:29 AM MDT, September 11, 2025

Counties in Idaho (ID)

Current UV Index in Major Cities in Idaho (ID)

11:29 AM MDT, September 11, 2025