As of 5:49 AM EDT on October 1, 2026, all 14 cities in Shiawassee County, MI in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Shiawassee County, MI is expected to be 1 in Perry between 5:00 PM - 6:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |