As of 4:55 PM MDT on July 1, 2026, all 12 cities in Platte County, WY in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Wheatland, WY with a reading of 5.3.
Over the next 24 hours, the highest UV Index reading in Platte County, WY is expected to be 6.4 in Chugwater between 1:00 PM - 2:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |