As of 12:17 PM CDT on October 21, 2025, all 6 cities in Pettis County, MO in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Green Ridge, MO with a reading of 3.5.
Over the next 24 hours, the highest UV Index reading in Pettis County, MO is expected to be 4.1 in Green Ridge 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 |