As of 5:03 PM CDT on May 20, 2026, out of 11 cities in Plymouth County, IA in our database, 7 cities (64%) have a UV Index reading of Moderate, while 4 cities (36%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Struble, IA with a reading of 2.8.
Over the next 24 hours, the highest UV Index reading in Plymouth County, IA is expected to be 7.8 in Akron 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 |