As of 11:16 AM MDT on August 22, 2025, out of 12 cities in Platte County, WY in our database, 9 cities (75%) have a UV Index reading of Moderate, while 3 cities (25%) have a UV Index reading of High. The city with the highest UV Index reading right now is Guernsey, WY with a reading of 5.7.
Over the next 24 hours, the highest UV Index reading in Platte County, WY is expected to be 8.7 in Glendo between 1:00 PM - 2:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |