As of 12:32 AM CDT on September 18, 2025, all 11 cities in Alfalfa County, OK in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Alfalfa County, OK is expected to be 5.5 in Helena between 3:00 PM - 4:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |