As of 1:41 PM CDT on September 18, 2025, out of 8 cities in O'Brien County, IA in our database, 5 cities (63%) have a UV Index reading of Moderate, while 3 cities (38%) have a UV Index reading of High. The city with the highest UV Index reading right now is Sheldon, IA with a reading of 5.8.
Over the next 24 hours, the highest UV Index reading in O'Brien County, IA is expected to be 5.8 in Sheldon 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 |