As of 2:17 PM CDT on September 30, 2026, out of 2 cities in Madison County, TX in our database, 1 city (50%) have a UV Index reading of Very High, while 1 city (50%) have a UV Index reading of High. The city with the highest UV Index reading right now is Madisonville, TX with a reading of 7.6.
Over the next 24 hours, the highest UV Index reading in Madison County, TX is expected to be 7.6 in Madisonville 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 |