As of 4:27 PM CDT on May 17, 2026, all 8 cities in Harrison County, MO in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Bethany, MO with a reading of 5.1.
Over the next 24 hours, the highest UV Index reading in Harrison County, MO is expected to be 8.9 in Gilman City between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |