| | Williamsville, IL | Macomb, IL | United States |
| Rainfall | 38.7 | 38.8 | 38.1 |
| Snowfall | 19 | 18.5 | 27.8 |
| Precipitation Days | 106.9 | 96.6 | 106.2 |
| Sunny | 197 | 200 | 205 |
| Avg. July High | 85.2 | 86.2 | 85.8 |
| Avg. Jan. Low | 18.3 | 15.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 3.9 | 3.9 | 4.3 |
| Elevation ft. | 600 | 709 | 2443 |