Marion County, MO: Current UV Index and Hourly Forecast

As of 4:31 PM CDT on June 28, 2025, all 3 cities in Marion County, MO in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Hannibal, MO with a reading of 5.7.

Over the next 24 hours, the highest UV Index reading in Marion County, MO is expected to be 8.9 in Hannibal between 12:00 PM - 1:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Marion County, MO as of 4:31 PM CDT, June 28, 2025

Current UV Index in Cities in Marion County, MO

4:31 PM CDT, June 28, 2025