As of 7:55 PM CST on February 20, 2026, all 5 cities in Columbia County, AR 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 Columbia County, AR is expected to be 4.5 in Magnolia between 1:00 PM - 2:00 PM CST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |