UV Index Today in Missouri (MO)

Wednesday, July 15, 2026 -11:11 AM CDT (GMT-5)

The average maximum UV Index today across 1,438 locations in Missouri (MO), is 10.1. The highest projected maximum is 10.5 in Springfield at 1:00 PM CDT, while the lowest projected maximum is 9.1 in Clay at 12:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 10. The highest projected maximum is 10.8 in Clay at 1:00 PM CDT, and the lowest projected maximum is 5.5 in White Rock at 4:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

115 Counties in Missouri (MO)

Average Maximum UV Index Today
  • Clay County - 10
  • Greene County - 10.4
  • Jackson County - 10
  • St. Charles County - 9.4
  • St. Louis County - 9.9
  • St. Louis city - 10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

517 Places in Missouri (MO)

Maximum UV Index Today
  • Kansas City - 10
  • St. Louis - 10
Data Source: National Oceanic and Atmospheric Administration (NOAA)