As of 11:54 AM EDT on May 20, 2026, all 4 cities in Roscommon County, MI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is St. Helen, MI with a reading of 5.
Over the next 24 hours, the highest UV Index reading in Roscommon County, MI is expected to be 8.3 in St. Helen between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |