As of 2:16 PM CDT on June 18, 2026, out of 9 cities in Washington County, MS in our database, 6 cities (67%) have a UV Index reading of High, 2 cities (22%) have a UV Index reading of Very High, while 1 city (11%) have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Glen Allan, MS with a reading of 10.5.
Over the next 24 hours, the highest UV Index reading in Washington County, MS is expected to be 10.5 in Glen Allan 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 |