As of 12:37 PM CDT on May 21, 2026, out of 13 cities in Humboldt County, IA in our database, 9 cities (69%) have a UV Index reading of Moderate, 3 cities (23%) have a UV Index reading of Low, while 1 city (8%) have a UV Index reading of High. The city with the highest UV Index reading right now is Lu Verne, IA with a reading of 5.8.
Over the next 24 hours, the highest UV Index reading in Humboldt County, IA is expected to be 7.5 in Ottosen between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |