As of 12:26 PM CDT on May 29, 2026, out of 14 cities in Dallas County, IA in our database, 12 cities (86%) have a UV Index reading of Very High, while 2 cities (14%) have a UV Index reading of High. The city with the highest UV Index reading right now is Granger, IA with a reading of 8.5.
Over the next 24 hours, the highest UV Index reading in Dallas County, IA is expected to be 8.6 in Perry 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 |