As of 1:02 PM CDT on April 25, 2026, out of 13 cities in Sumner County, KS in our database, 12 cities (92%) have a UV Index reading of High, while 1 city (8%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Mulvane, KS with a reading of 7.4.
Over the next 24 hours, the highest UV Index reading in Sumner County, KS is expected to be 7.4 in Mulvane 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 |