As of 3:27 PM CDT on May 20, 2026, out of 18 cities in Platte County, MO in our database, 16 cities (89%) have a UV Index reading of High, while 2 cities (11%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Houston Lake, MO with a reading of 7.5.
Over the next 24 hours, the highest UV Index reading in Platte County, MO is expected to be 7.5 in Houston Lake 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 |