As of 6:36 PM CDT on July 18, 2025, all 26 cities in Sangamon County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Sherman, IL with a reading of 0.8.
Over the next 24 hours, the highest UV Index reading in Sangamon County, IL is expected to be 9.3 in Springfield between 1:00 PM - 2:00 PM CDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |