As of 3:31 PM CDT on June 10, 2026, out of 9 cities in Louisa County, IA in our database, 6 cities (67%) have a UV Index reading of High, 2 cities (22%) have a UV Index reading of Moderate, while 1 city (11%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Cotter, IA with a reading of 7.5.
Over the next 24 hours, the highest UV Index reading in Louisa County, IA is expected to be 9.4 in Morning Sun between 2:00 PM - 3:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |