UV Index Today in Missouri (MO)

Saturday, August 29, 2026 -11:46 AM CDT (GMT-5)

The average maximum UV Index today across 1,438 locations in Missouri (MO), is 8. The highest projected maximum is 9.2 in Sugar Creek at 1:00 PM CDT, while the lowest projected maximum is 6 in Buffalo at 2:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.2. The highest projected maximum is 8.9 in Mountain Grove at 1:00 PM CDT, and the lowest projected maximum is 7.1 in Kansas City at 1:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

115 Counties in Missouri (MO)

Average Maximum UV Index Today
  • Clay County - 7.8
  • Greene County - 8.6
  • Jackson County - 7.8
  • St. Charles County - 7.6
  • St. Louis County - 7.3
  • St. Louis city - 7
Data Source: National Oceanic and Atmospheric Administration (NOAA)

517 Places in Missouri (MO)

Maximum UV Index Today
  • Kansas City - 7.8
  • St. Louis - 6.9
Data Source: National Oceanic and Atmospheric Administration (NOAA)