Illinois holiday weather history
6 NOAA stations, 1995–2025. "Wet%" = share of years with ≥0.01 in of precipitation that day.
| City | Halloween: high / wet% | Thanksgiving: high / wet% | Christmas Day: high / wet% | New Year's Eve: high / wet% |
|---|---|---|---|---|
| Chicago (O'Hare Airport) | 57°F / 42% | 43°F / 23% | 35°F / 42% | 35°F / 35% |
| Moline (Quad Cities) | 56°F / 19% | 45°F / 19% | 36°F / 32% | 35°F / 32% |
| Peoria | 57°F / 35% | 46°F / 23% | 35°F / 29% | 36°F / 32% |
| Quincy | 59°F / 30% | 47°F / 23% | 36°F / 16% | 37°F / 16% |
| Rockford | 54°F / 19% | 43°F / 16% | 33°F / 23% | 35°F / 45% |
| Springfield (Illinois) | 61°F / 29% | 46°F / 23% | 36°F / 26% | 38°F / 29% |