UV Index Today in Missouri (MO)

Tuesday, October 13, 2026 -2:24 PM CDT (GMT-5)

The average maximum UV Index today across 1,438 locations in Missouri (MO), is 5.9. The highest projected maximum is 6.6 in White Rock at 1:00 PM CDT, while the lowest projected maximum is 5.1 in Fletchall at 1:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 2.8. The highest projected maximum is 6.2 in Doniphan at 1:00 PM CDT, and the lowest projected maximum is 0.5 in Fulton at 2:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

115 Counties in Missouri (MO)

Average Maximum UV Index Today
  • Clay County - 5.7
  • Greene County - 6.3
  • Jackson County - 5.7
  • Jefferson County - 5.9
  • St. Charles County - 5.7
  • St. Louis County - 5.7
  • St. Louis city - 5.7
Data Source: National Oceanic and Atmospheric Administration (NOAA)

517 Places in Missouri (MO)

Maximum UV Index Today
  • Kansas City - 5.7
  • St. Louis - 5.7
Data Source: National Oceanic and Atmospheric Administration (NOAA)