As of 11:22 AM CDT on June 27, 2025, out of 11 cities in Boone County, MO in our database, 8 cities (73%) have a UV Index reading of Moderate, while 3 cities (27%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Centralia, MO with a reading of 4.8.
Over the next 24 hours, the highest UV Index reading in Boone County, MO is expected to be 9.8 in Columbia between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |