As of 9:51 AM CDT on August 9, 2026, all 11 cities in Plymouth County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Kingsley, IA with a reading of 1.3.
Over the next 24 hours, the highest UV Index reading in Plymouth County, IA is expected to be 5.8 in Kingsley 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 |